Jeremy listened to five fewer songs yesterday than today. Yesterday, he listened to nine songs. How many songs did Jeremy listen to in two days?

How many songs did Jeremy listen to today? ** Jeremy listened to 9 + 5 =

<<9+5=14>>14 songs today. How many songs did Jeremy listen to in two days? ** Thus, he listened to 9 + 14 = <<9+14=23>>23 songs in two days. #### 23 Brian can only hold his breath underwater for 10 seconds. He wants to get better, so he starts practicing. After a week, he's doubled the amount of time he can do it. After another week, he's doubled it again from the previous week. The final week, he's increased it by 50% from the previous week. How long can Brian hold his breath for now? How long can Brian hold his breath for after the first week? ** At the end of his first week, Brian now has doubled his initial time of 10 seconds to 10*2=<<10*2=20>>20 seconds How long can Brian hold his breath for after the second week? ** At the end of his second week, Brian doubled the previous week's time of 20 seconds to 20*2=<<20*2=40>>40 seconds How long can Brian hold his breath for after the third week? ** At the end of his third week of practice, Brian adds another 50% of 40 seconds to his time so 40*.5= <<40*.5=20>>20 seconds added How long can Brian hold his breath for now? ** Having added 20 seconds to his time from his second week, Brian can now hold his breath for 40+20= <<20+40=60>>60 seconds #### 60 A farmer has twice as many pigs as cows, and 4 more cows than goats. If the farmer has 56 animals total, how many goats does he have? Define a variable ** Let x be the number of goats How many cows does the farmer have? ** Cows:4+x How many pigs does the farmer have? ** Pigs:2(4+x)=8+2x Write an equation ** Total:x+4+x+8+2x=56 Combine like terms ** 4x+12=56 Subtract 12 ** 4x=44 Divide by 4 ** x=<<11=11>>11 goats #### 11 For a school fundraiser, Chandler needs to sell 12 rolls of wrapping paper. So far, he has sold 3 rolls to his grandmother, 4 rolls to his uncle, and 3 rolls to a neighbor. How many more rolls of wrapping paper does Chandler need to sell? How many rolls of wrapping paper has Chandler sold? ** Chandler has sold 3 rolls + 4 rolls + 3 rolls = <<3+4+3=10>>10 rolls. How many more rolls of wrapping paper does Chandler need to sell? ** Chandler still needs to sell 12 rolls – 10 rolls = <<12-10=2>>2 rolls. #### 2 Jackson’s mom packs him a peanut butter and jelly sandwich for his school lunch on Wednesdays and Fridays. There are 36 weeks of school and Jackson has only missed 1 Wednesday and 2 Fridays. How many peanut butter and jelly sandwiches did he eat for lunch this school year? How many days are there in the school year? ** 36 weeks of school x 2 days of the week = <<36*2=72>>72 days of school How many days did Jackson miss? ** 1 Wednesday + 2 Fridays = <<1+2=3>>3 days of school missed How many peanut butter and jelly sandwiches did Jackson eat for lunch this school year? ** 72 days of school – 3 days of school missed = <<72-3=69>>69 peanut butter and jelly sandwiches eaten #### 69 Punger collects baseball cards. He buys 60 packs of baseball cards. Each pack has 7 cards inside. He wants to put these cards in special pages to protect the cards. Each page can hold 10 cards. How many pages does he need to buy? How many cards are in each pack? ** 60 packs of cards * 7 cards per pack = <<60*7=420>>420 cards How many pages does each pack need? ** 420 cards / 10 cards per page = <<420/10=42>>42 pages #### 42 On Friday, Remy paid Sally’s Woodworking LLC a total of $20,700 for 150 pieces of furniture. Later that evening, the company’s accountant discovered that a new intern in the sales department had overcharged Remy. If the cost of a piece of furniture is $134, how much money will Sally’s Woodworking LLC reimburse Remy? How much money did Remy pay for all the pieces of furniture? ** The total cost of all the pieces of furniture should be 134 * 150 = <<134*150=20100>>20100 dollars How much money will Sally’s Woodworking LLC reimburse Remy? ** Sally’s Woodworking LLC will reimburse Remy the difference between the total cost and the amount he paid, which is 20700 - 20100 = <<20700-20100=600>>600 dollars #### 600 Seth bought some boxes of oranges. He gave a box to his mother. He then gave away half of the remaining boxes. If Seth has 4 boxes of oranges left, how many boxes did he buy in the first place? How many boxes did Seth have left after giving a box to his mom? ** After giving a box to his mom, Seth had 4*2=<<4*2=8>>8 boxes left. How many boxes did Seth buy in the first place? ** Seth bought 8+1=<<8+1=9>>9 boxes of oranges. #### 9 Marla has a grid of squares that has 10 rows and 15 squares in each row. She colors 4 rows of 6 squares in the middle of the grid with red. She colors all squares on the first 2 and last 2 rows with blue. Then she colors the rest with green. How many squares does Marla color green? How many squares are there? ** There are 10 x 15 = <<10*15=150>>150 squares in a grid. How many squares are colored red? ** 4 x 6 = <<4*6=24>>24 squares are colored red. How many rows are all blue? ** There are 2 + 2 = <<2+2=4>>4 rows that are all blue. How many squares are colored blue? ** Thus, a total of 4 x 15 = <<4*15=60>>60 squares are colored blue. How many squares are colored red or blue? ** 24 + 60 = <<24+60=84>>84 squares are color red or blue. How many squares are green? ** Therefore, 150 - 84 = <<150-84=66>>66 square are green. #### 66 Students at Highridge High earn 2 points for each correct answer during a quiz bowl If a student correctly answers all the questions in a round, the student is awarded an additional 4 point bonus. They played a total of five rounds each consisting of five questions. If James only missed one question, how many points did he get? How many questions did James correctly answer? ** If James only missed one question in all five rounds of five questions, he correctly answered 5 * 5 - 1 = <<5*5-1=24>>24 questions How many points did James earn? ** Before the bonus, James earned 24 correct answers * 2 points/answer = <<24*2=48>>48 points. How many rounds did James earn a bonus? ** Since missing one question would only disqualify him from receiving a bonus in one round, he would earn a bonus for 5-1=<<5-1=4>>4 rounds. How many points did James earn in the bonus? ** He should expect a bonus of 4 rounds* 4 points/round= <<4*4=16>>16 points. How many points did James score? ** Including his bonus, James scored a total of 48 + 16 = <<48+16=64>>64 points. #### 66