Dorothy, Julia, and Robert go to the store to buy school supplies. Dorothy buys half as many pens as Julia. Julia buys three times as many pens as Robert. Robert buys 4 pens. If one pen costs $1.50, how much money did the three friends spend in total on pens?

How many pens does Julia buy? ** Julia buys 4 * 3 =

<<4*3=12>>12 pens How many pens does Dorothy buy? ** Dorothy buys 12/2 = <<12/2=6>>6 pens How many pens did the three friends purchase in total? ** The total number of pens purchased is 4 + 12 + 6 = <<4+12+6=22>>22 pens How much money did the three friends spend in total on pens? ** The total cost of the pens is 22 * $1.50 = $<<22*1.5=33>>33 #### 33 Ken, Dave, and Jerry played shuffleboard against one another while together vacationing in Florida. Ken won 5 more games than Dave, and Dave won 3 more games than Jerry. If Jerry won 7 games, what was the total number of games they played? How many games did Dave win? ** If Dave won 3 more games than Jerry, and Jerry won 7 games, then Dave won 10 games. How many games did Ken win? ** If Ken won 5 more games than Dave, and Dave won 10 games, then Ken won 10+5=<<10+5=15>>15 games. What was the total number of games they played? ** In total, the three friends played 7+10+15=<<7+10+15=32>>32 games. #### 32 Cory bought a patio table and 4 chairs for $135. The patio table cost $55. If each chair cost the same amount, how much did each chair cost? How much did the chairs cost? ** The 4 chairs cost Cory $135 - $55 = $80. How much did each chair cost? ** Each chair costs $80 / 4 = $<<80/4=20>>20. #### 20 Tom takes medication to help him sleep. He takes 2 pills every day before bed. He needs to go to the doctor every 6 months to get a new prescription and a visit to the doctor costs $400. The medication costs $5 per pill, but insurance covers 80% of that cost. How much does he pay a year for everything? How many times does Tom go to the doctor? ** He sees the doctor 12/6=<<12/6=2>>2 times a year How much does Tom pay for doctor visits? ** So he pays 400*2=$<<400*2=800>>800 for doctor visits How much does Tom pay for the pills? ** The cost of the pill is 5*2=$<<5*2=10>>10 per night How much does Tom pay for the pills? ** But insurance covers 10*.8=$<<10*.8=8>>8 How much does Tom pay for the pills? ** So he pays 10-8=$<<10-8=2>>2 per night How much does Tom pay a year for everything? ** So he pays 2*365=$<<2*365=730>>730 a year How much does Tom pay a year for everything? ** SSo his total cost is 800+730=$<<800+730=1530>>1530 a year #### 1530 Kay has 14 siblings. Kay is 32 years old. The youngest sibling is 5 less than half Kay's age. The oldest sibling is four times as old as the youngest sibling. How old is the oldest sibling? How old is Kay? ** Kay 32 years old How old is the youngest sibling? ** Youngest:32/2-5=<<32/2-5=11>>11 years old How old is the oldest sibling? ** Oldest:11(4)=44 years old #### 44 Nicole collected 400 Pokemon cards. Cindy collected twice as many, and Rex collected half of Nicole and Cindy's combined total. If Rex divided his card equally among himself and his three younger siblings, how many cards does Rex have left? How many cards does Cindy have? ** Cindy has 400 x 2 = <<400*2=800>>800 cards. How many cards do Nicole and Cindy have? ** Nicole and Cindy have 400 + 800 = <<400+800=1200>>1200 cards. How many cards does Rex have? ** Rex has 1200/2 = <<1200/2=600>>600 cards. How many cards does Rex have left? ** Rex is left with 600/(3+1=4) = <<600/4=150>>150 cards #### 150 There are chickens roaming the chicken farm. The roosters outnumber the hens 2 to 1. If there are 9,000 chickens on the chicken farm, how many roosters are there? How many hens are there on the farm? ** There are 9000/(2+1)=<<9000/(2+1)=3000>>3000 hens on the farm. How many roosters are there on the farm? ** There are 3000*2=<<3000*2=6000>>6000 roosters on the farm. #### 6000 Stephen rides his bicycle to church. During the first third of his trip, he travels at a speed of 16 miles per hour. During the second third of his trip, riding uphill, he travels a speed of 12 miles per hour. During the last third of his trip, he rides downhill at a speed of 20 miles per hour. If each third of his trip takes 15 minutes, what is the distance Stephen rides his bicycle to church, in miles? How many minutes are in each third of Stephen's trip? ** 15 minutes is 15/60=<<15/60=0.25>>0.25 hours. How many miles does Stephen travel in the first third of his trip? ** Traveling 15 minutes at 16 miles per hour, Stephen travels 16*0.25 = 4 miles. How many miles does Stephen travel in the second third of his trip? ** Traveling 15 minutes at 12 miles per hour, Stephen travels 12*0.25 = 3 miles. How many miles does Stephen travel in the last third of his trip? ** Traveling 15 minutes at 20 miles per hour, Stephen travels 20*0.25 = 5 miles. How many miles does Stephen travel in total? ** All together, Stephen travels 4+3+5=<<4+3+5=12>>12 miles. #### 12 Chris bought 8 movies on DVD for $12 each and 4 movies on Blu-ray for $18 each. What is the average price he paid per movie? How much did Chris spend? ** He spent a total of 8 * $12 + 4 * $18 = $<<8*12+4*18=168>>168 How many movies did Chris buy? ** He bought a total of 8 + 4 = <<8+4=12>>12 movies. What is the average price Chris paid per movie? ** The average price is $168 / 12 = $<<168/12=14>>14 per movie. #### 14 Wade has a hot dog food truck. He makes $2.00 in tips per customer. On Friday he served 28 customers. He served three times that amount of customers on Saturday. On Sunday, he served 36 customers. How many dollars did he make in tips between the 3 days? How many customers did Wade serve on Saturday? ** On Saturday, he served 3 times the amount of customers that he served on Friday, which was 28 customers so he served 3*28 = <<3*28=84>>84 customers How many customers did Wade serve in total? ** He served 28 customers on Friday, 84 on Saturday and 36 customers on Sunday for a total of 28+84+36 = <<28+84+36=148>>148 customers How much did Wade make in tips between the 3 days? ** Each customer tipped him $2.00 and he had 148 customers so he made 2*148 = $<<2*148=296.00>>296.00 #### 296