Quinton brought 40 cupcakes to school on his birthday. He gave a cupcake to each of the 18 students in Ms. Delmont's class. He also gave a cupcake to each of the 16 students in Mrs. Donnelly's class. He also gave a cupcake to Ms. Delmont, Mrs. Donnelly, the school nurse, and the school principal. How many cupcakes did he have left over?

How many cupcakes did Quinton give to Ms. Delmont's class? ** Quinton had 40 cupcakes - 18 =

<<40-18=22>>22 cupcakes. How many cupcakes did Quinton give to Mrs. Donnelly's class? ** He then had 22 cupcakes - 16 students = <<22-16=6>>6 cupcakes. How many cupcakes did Quinton have left? ** Quinton then gave away 6 - 1 -1 -1 -1 = <<6-1-1-1-1=2>>2 cupcakes left. #### 2 The school band has 30 songs in their repertoire. The band played 5 songs in their first set and 7 in their second set. The band will play 2 songs for their encore. Assuming the band plays through their entire repertoire, how many songs will they play on average in the third and fourth sets? How many songs did the band play in their first two sets? ** The band played 5 + 7 = <<5+7=12>>12 songs in their first two sets. How many songs do the band have left? ** They have 30 - 12 = <<30-12=18>>18 songs left for the third set, fourth set and encore. How many songs will the band play on average in the third and fourth sets? ** Since they played 2 songs in the encore, they have 18 - 2 = <<18-2=16>>16 songs to play on the third and fourth sets How many songs will the band play on average in the third and fourth sets? ** They will play 16 / 2 = <<16/2=8>>8 songs on average over the third and fourth sets. #### 8 Some students want to buy pencils from a stationery shop. The price of one pencil is 20 cents. Tolu wants 3 pencils, Robert wants 5 pencils and Melissa wants 2 pencils. How much (in dollars) will the students spend altogether at the stationery shop? How many pencils do the three students want? ** The three students want a total of 3+2+5 = <<3+2+5=10>>10 pencils How much do the three students want in total? ** Each pencil cost 20 cents so 10 pencils cost 20*10 = <<20*10=200>>200 cents How much do the three students want in total? ** 100 cents make a dollar so 200 cents make 200/100 = <<200/100=2>>2 dollars #### 2 Josh had 100 gummy bear candies. He decided to give his 3 siblings 10 candies each. Then he gave half of the remaining candies to his best friend. If he only wants to eat 16 gummy bear candies, how many candies are left to be shared with others? How many candies did Josh give to his siblings? ** Josh gave a total of 3 x 10 = <<3*10=30>>30 candies to his siblings. How many candies were left after Josh gave his siblings candies? ** He was then left with 100 - 30 = <<100-30=70>>70 candies. How many candies did Josh give to his best friend? ** He gave 70/2 = <<70/2=35>>35 candies to his best friend. How many candies were left after Josh gave his best friend candies? ** So he had 70 - 35 = <<70-35=35>>35 candies left. How many candies are left to be shared with others? ** Since he only wants to eat 16 candies, there are still 35 - 16 = <<35-16=19>>19 candies left to be shared with others. #### 19 Olivia earns $9 per hour. She worked 4 hours on Monday, 3 hours on Wednesday and 6 hours on Friday. How much money did Olivia make this week? How much money did Olivia make on Monday? ** Olivia made $9 * 4 hours = $<<9*4=36>>36 on Monday. How much money did Olivia make on Wednesday? ** Olivia made $9 * 3 = $<<9*3=27>>27 on Wednesday. How much money did Olivia make on Friday? ** Olivia made $9 * 6 hours = $<<9*6=54>>54 on Friday. How much money did Olivia make this week? ** For the week Olivia made $36 + $27 + $54 = $<<36+27+54=117>>117. #### 117 Tanika is selling boxes of crackers for her scout troop's fund-raiser. On Saturday, she sold 60 boxes. On Sunday, she sold 50% more than on Saturday. How many boxes did she sell, in total, over the two days? How many boxes did Tanika sell on Sunday? ** She sold 60*1.50=<<60*1.50=90>>90 boxes on Sunday. How many boxes did Tanika sell in total? ** The total is 60+90=<<60+90=150>>150 boxes. #### 150 Fred spent half of his allowance going to the movies. He washed the family car and earned 6 dollars. What is his weekly allowance if he ended with 14 dollars? How much money did Fred have before washing the car? ** Before washing the car Fred had $14 - $6 = $<<14-6=8>>8. How much did Fred spend on the movies? ** Fred spent half his allowance for the movies, so 2 * $8 = $<<2*8=16>>16 allowance. #### 16 If there are two pennies in each of the twelve compartments of Roshesmina's piggy bank and she adds 6 more pennies to each compartment, calculate the total number of pennies she has? How many pennies are in each compartment? ** In each compartment, there are two pennies, and when she adds 6 pennies to each compartment, one compartment will have 6+2 = 8 pennies. How many pennies are in all the compartments? ** If there are 12 compartments, and each compartment now contains 8 pennies, there are a total of 12*8 = <<12*8=96>>96 pennies in all the compartments. #### 96 Hawkeye is driving to his aunt. He has to charge his battery for $3.5 per charge. If he charged his battery four times, and his battery charging budget was $20, how much money was he left with when he reached his aunt's place? How much does each battery charge cost? ** If each battery charge costs $3.5, the total expense of 4 battery charges is 4*3.5 = $<<4*3.5=14>>14. How much money was he left with after his expense on battery charging? ** After his expense on battery charging, his balance was 20-14 = $<<20-14=6>>6. #### 6 Zig wrote four times as many books as Flo. If Zig wrote 60 books, how many books did they write altogether? How many books did Flo write? ** If Zig wrote 60 books, four times as many books as Flo, Flo wrote 60/4=<<60/4=15>>15 books How many books did they write altogether? ** Together, they wrote 60+15=<<60+15=75>>75 books. #### 75