Mike has earned a total of $160 in wages this week. He received the wages for his first job, then later received the wages from his second job where he works 12 hours a week. If his second job pays $9 per hour then how much money, in dollars, did Mike receive from his first job?

How much money does Mike receive from his second job? ** From his second job, Mike receives $9/hour * 12 hours = $

<<9*12=108>>108. How much money did Mike earn from his first job? ** He therefore earned $160 – $108 = $<<52=52>>52 from his first job. #### 52 In a game, Samanta has 8 more points than Mark, and Mark has 50% more points than Eric. Eric has 6 points. How many points do Samanta, Mark, and Eric have in total? How many points does Mark have? ** Mark has 50/100 * 6 = <<50/100*6=3>>3 points more than Eric. How many points does Mark have? ** So Mark has 6 + 3 = <<6+3=9>>9 points. How many points does Samanta have? ** That means Samanta has 9 + 8 = <<9+8=17>>17 points. How many points do Samanta, Mark, and Eric have in total? ** So in total Samanta, Mark, and Eric have 6 + 9 + 17 = <<6+9+17=32>>32 points. #### 32 The grocery store sells chips for $2 per packet and corn chips for $1.5 per packet. John would like to buy 15 packets of chips, and with the rest of the money he has left, buy as many packets of corn chips as he can. How many packets of corn chips could John buy if he has $45 for his entire purchase? How much will John spend on chips? ** John wants to buy 15 packets of chips, which will cost him 15 * 2 = $<<15*2=30>>30. How much money would John have left after buying chips? ** So John would have 45 - 30 = $<<45-30=15>>15 left for the corn chips. How many packets of corn chips could John buy? ** John could buy for the rest of the money 15 / 1.5 = <<15/1.5=10>>10 packets of corn chips. #### 10 A school choir needs robes for each of its 30 singers. Currently, the school has only 12 robes so they decided to buy the rest. If each robe costs $2, how much will the school spend? How many robes does the school need to buy? ** The school needs to buy 30 - 12 = <<30-12=18>>18 robes. How much will the school spend? ** So the school will spend 18 x $2 = $<<18*2=36>>36. #### 36 Mr. Wong harvested 560 mangoes from the tree outside his house. He sold half of it at the market and distributed the rest evenly among 8 of his neighbors. How many mangoes does each neighbor receive? How many mangoes did Mr. Wong have left after selling half of it? ** Mr. Wong had 560/2 = <<560/2=280>>280 mangoes left How many mangoes does each neighbor receive? ** Each of his neighbors received 280/8 = <<280/8=35>>35 mangoes #### 35 Jenna is hemming her prom dress. The dress's hem is 3 feet long. Each stitch Jenna makes is 1/4 inch long. If Jenna makes 24 stitches per minute, how many minutes does it take Jenna to hem her dress? How many inches is the hem? ** First find how many inches the hem is by multiplying the length in feet by the number of inches per foot: 3 feet * 12 inches/foot = <<3*12=36>>36 inches How many stitches does Jenna make? ** Then divide the length in inches by the length of each stitch to find how many stitches Jenna makes: 36 inches / .25 inches = <<36/.25=144>>144 stitches How many minutes does it take Jenna to hem her dress? ** Then divide the number of stitches by Jenna's stitching rate to find how long it takes her: 144 stitches / 24 stitches/minute = <<144/24=6>>6 minutes #### 6 Josie received $50 as a gift. She plans to buy two cassette tapes that cost $9 each and a headphone set that costs $25. How much money will she have left? How much will the cassette tapes cost? ** The cassette tapes will cost 2 × 9 = $<<2*9=18>>18. How much money does Josie spend? ** She spends 18 + 25 = $<<18+25=43>>43 in total. How much money will Josie have left? ** Josie will have 50 - 43 = $<<50-43=7>>7 left. #### 7 There are 3 rows of people relaxing at the beach. The first row is made up of 24 people until 3 people get up to wade in the water. 5 people from the second row, which originally held 20 people, go to join them. The third row is made up of 18 people. How many people are left relaxing on the beach? How many people are in the first row? ** In the first row, there are now 24 – 3 = <<24-3=21>>21 people. How many people are in the second row? ** In the second row, there are now 20 – 5 = <<20-5=15>>15 people. How many people are left relaxing on the beach? ** So in total there are 21 in the first row + 15 in the second row + 18 in the third row = <<21+15+18=54>>54 people. #### 54 Carly practices her butterfly stroke for 3 hours a day, 4 days a week, and her backstroke for 2 hours a day, six days a week. How much time does she spend practicing swimming in a month with 4 weeks? How many hours does Carly practice the butterfly stroke in a week? ** First find the total time Carly practices the butterfly stroke in a week: 3 hours/day * 4 days/week = <<3*4=12>>12 hours/week How many hours does Carly practice the backstroke stroke in a week? ** Then find the total time Carly practices the backstroke stroke in a week: 2 hours/day * 6 days/week = <<2*6=12>>12 hours/week How many hours does Carly practice swimming in a week? ** Then add those two amounts of time to find her total practice time each week: 12 hours/week + 12 hours/week = <<12+12=24>>24 hours/week How many hours does Carly practice swimming in a month? ** Then multiply her weekly practice time by the number of weeks in a month to find her monthly practice time: 24 hours/week * 4 weeks/month = <<24*4=96>>96 hours/month #### 96 There are 248 pages in a book. Joanna can read 16 pages per hour. On Monday, she reads for 3 hours. On Tuesday, she reads for 6.5 hours. How many more hours does she need to read to finish the book? How many pages does Joanna read on Monday? ** On Monday, Joanna reads 3*16=<<3*16=48>>48 pages. How many pages does Joanna read on Tuesday? ** On Tuesday, Joanna reads 6.5 * 16 =<<6.5*16=104>>104 pages. How many pages has Joanna read so far? ** So far, she has read 48 +104 =<<48+104=152>>152 pages. How many pages does Joanna have left? ** Thus, she has 248-152 = <<248-152=96>>96 pages left. How many more hours does she need to read to finish the book? ** She will need to read for 96/16 = <<96/16=6>>6 hours to finish the book. #### 6