Ever since she was a little girl, Sheila has dreamed of traveling the world. To help fund her dream, she bought a large piggy bank in December and started saving. By last week, she had saved $3,000. Pleased with her progress, she has decided to continue saving $276 per month, for 4 years. Today, Sheila’s family secretly added $7,000 into the piggy bank. At the end of 4 years, how much money will be in Sheila’s piggy bank?

How much money is in Sheila’s piggy bank today? ** Today, Sheila’s piggy bank has $3000 + $7000 = $

<<3000+7000=10000>>10000 How many months will Sheila be saving for? ** Sheila will be saving for 4 years which is equivalent to 12 months/year * 4 years = <<12*4=48>>48 months How much money will Sheila save in 4 years? ** In 4 years, she will save $276/month * 48 months = $<<276*48=13248>>13248 How much money will be in Sheila’s piggy bank at the end of 4 years? ** The piggy bank will have a total of $10,000 + $13,248 = $<<10000+13248=23248>>23248 #### 23248 A frog lays her eggs over a series of 4 days. The first day she lays 50 eggs. The second day, she doubles her production of eggs. The third day she lays 20 more than the second day, and the last day she doubles the first three days total. How many eggs did the frog lay over the span of the 4 days? How many eggs does the frog lay on Day 1? ** Day 1:50 How many eggs does the frog lay on Day 2? ** Day 2:50(2)=100 How many eggs does the frog lay on Day 3? ** Day 3:100+20=<<100+20=120>>120 How many eggs does the frog lay on Day 4? ** Day 4:2(50+100+120)=540 How many eggs did the frog lay over the span of the 4 days? ** Total:50+100+120+540=<<50+100+120+540=810>>810 eggs #### 810 In the school's library, there are 2300 different books. 80% of all the books are in English, but only 60% of these books were published in the country. How many English-language books have been published outside the country? How many books are in English? ** There are 80/100 * 2300 = <<80/100*2300=1840>>1840 books in English at the library. How many books were published inside the country? ** Out of these books, only 60/100 * 1840 = <<60/100*1840=1104>>1104 were published inside the country. How many books were published outside the country? ** So there are 1840 - 1104 = <<1840-1104=736>>736 books in English published outside of the country. #### 736 Tanya went to the grocery store to buy some fruit. She bought 6 pears, 4 Granny Smith apples, 2 pineapples, and a small basket of plums, which were all placed in a single paper bag. Unfortunately, the bag that the fruit had been placed in had developed a hole. Therefore, as Tanya walked home, half of the fruit fell out of the bag. When she later counted the fruit left in the bag, there were only 9 pieces remaining. How many plums did she buy? How many pieces of fruit did Tanya buy? ** If half of the fruit equals 9 pieces, then Tanya bought 2*9=<<2*9=18>>18 pieces of fruit. How many plums did Tanya buy? ** Thus, Tanya bought 18-6-4-2=<<18-6-4-2=6>>6 plums. #### 6 Javier has a wife and 3 children. They have 2 dogs and 1 cat. Including Javier, how many legs are there in total in Javier’s household? How many legs are there in total in Javier’s household? ** For the humans in the house, there are 5 * 2 = <<5*2=10>>10 legs How many legs are there in total in Javier’s household? ** Javier has a total of 2 + 1 = <<2+1=3>>3 four-legged pets How many legs are there in total in Javier’s household? ** For the pets in the house, there are 3 * 4 = <<3*4=12>>12 legs How many legs are there in total in Javier’s household? ** There are a total of 10 + 12 = <<10+12=22>>22 legs #### 22 Tina is getting $20 for each book she sells. If she realizes a $120 profit on her sales, how many people have she sold the books to if each book costs $5 to make and every customer buys 2 at a time? How much money does Tina make per book? ** First, we need to determine the profit per book. To do this, we perform 20-5=<<20-5=15>>15 dollars in profit per book. How many books did Tina sell? ** Next, we divide the total sales by the profit per book, performing 120/15=<<120/15=8>>8 books sold in total. How many people have Tina sold the books to? ** Since the books are sold 2 at a time, we divide the number sold by 2 to find the total number of people sold to, performing 8/2=<<8/2=4>>4 people in total. #### 4 Michael loves to paint and sells his creations. He charges $100 for a large painting and $80 for a small painting. At his last art show, he sold 5 large paintings and 8 small paintings. How much did he earn in all? How much did Michael earn from the large paintings? ** He earned 5 x $100 = $<<5*100=500>>500 for the large painting. How much did Michael earn from the small paintings? ** And he earned 8 x $80 = $<<8*80=640>>640 for the small paintings. How much did Michael earn in all? ** Therefore, he earned a total of $500 + $640 = $<<500+640=1140>>1140 in all. #### 1140 Calvin has been saving his hair clippings after each haircut to make a wig for his dog. He has gotten 8 haircuts and knows that he needs 2 more to reach his goal. What percentage towards his goal is he? How many haircuts does Calvin need? ** His goal is 10 haircuts because 8 + 2 = <<8+2=10>>10 How many haircuts does Calvin have? ** He is 80% there because (8 / 10) x 100 = <<(8/10)*100=80>>80 #### 80 Maria wants to buy a brand new bike. The retail price at the bike shop stands at $600. She saved $120 toward the purchase. As this was not enough, she asked her mother to give her the remaining amount. Her mother offered her $250 and told her that she needs to earn the rest working during the holidays. How much money must Maria earn to be able to buy the bike she wants? How much money does Maria have? ** Maria has $120 and received $250 from her mother. So she has 120 + 250 = $<<120+250=370>>370. How much money does Maria need? ** As the price of the bike stands at $600, Maria needs 600 – 370 = $<<600-370=230>>230 more to buy the bike. #### 230 Catherine had an equal number of pencils and pens. If she had 60 pens and gave eight pens and 6 pencils to each of her seven friends and kept the rest for herself, how many pens and pencils did she have left? How many pens did Catherine give away? ** Catherine gave eight pens to each of her seven friends, a total of 8*7 = <<8*7=56>>56 pens. How many pens did Catherine have left? ** She remained with 60-56 = <<60-56=4>>4 pens. How many pencils did Catherine give away? ** When she also gave 6 pencils to each of her seven friends, she gave away 6*7 = <<6*7=42>>42 pencils. How many pencils did Catherine have left? ** Since she had the same number of pencils as pens, she remained with 60-42 = <<60-42=18>>18 pencils. How many pens and pencils did Catherine remain with? ** The total number of pens and pencils that Catherine remained with is 4+18 = <<4+18=22>>22 #### 22