Buoys are placed in the ocean at even intervals away from the beach to help swimmers monitor how far away from the beach they have swum. If a swimmer reaches the third buoy, they have swum out 72 meters. How many meters from the beach is the fourth buoy?
The buoys are evenly spaced, so the first buoy is 72 / 3 =
<<72/3=24>>24 meters from the beach. Thus, the fourth buoy is 24 * 4 = <<24*4=96>>96 meters from the beach. #### 96 A jar of jellybeans has 14 blue jellybeans, 26 purple jellybeans and 40 orange jellybeans. If there are 200 jellybeans in the jar, how many are there of the red color? Total of blue, purple, and orange jellybeans is 14+26+40 = <<14+26+40=80>>80 There are 200-80 = <<200-80=120>>120 red jellybeans #### 120 Gina is participating in a neighborhood clean-up filling bags with litter. She was able to collect two bags of litter herself. The rest of the neighborhood together collected 82 times as much as Gina did by herself. Each bag of litter weighs 4 pounds. How many pounds was all the litter they collected? The rest of the neighborhood collected 82 * 2 = <<82*2=164>>164 bags of litter. With Gina’s bags, they had 164 + 2 = <<164+2=166>>166 bags of litter. Thus, the litter weighed 166 * 4 = <<166*4=664>>664 pounds. #### 664 Rocco stores his coins in piles of 10 coins each. He has 4 piles of quarters, 6 piles of dimes, 9 piles of nickels, and 5 piles of pennies. How much money does Rocco have? Each pile has 10 coins, so he has: 10 * 4 * $.25 = $<<10*4*.25=10.00>>10.00 worth of quarters, 10 * 6 * $.10 = $<<10*6*.10=6.00>>6.00 worth of dimes, 10 * 9 * $.05 = $<<10*9*.05=4.50>>4.50 worth of nickels, and 10 * 5 * $.01 = $<<10*5*.01=0.50>>0.50 worth of pennies. Altogether he has $10.00 + $6.00 + $4.50 + $0.50 = $<<10+6+4.5+0.5=21.00>>21.00 #### 21 Tony drives a car that gets 25 miles to the gallon. He drives 50 miles round trip to work 5 days a week. His tank holds 10 gallons. He begins the week with a full tank and when he runs out he fills up at the local gas station for $2 a gallon. How much money does Tony spend on gas in 4 weeks? First, we need to determine how many miles Tony drives in 4 weeks. We do this by performing 50*5=<<50*5=250>>250 miles per week. Next, we multiply the weekly total by 4 by performing 4*250= <<4*250=1000>>1000 miles in 4 weeks. Now, we need to find out how many times Tony needs to fill up his gas tank. His gas tank holds enough gas to last 25*10=<<25*10=250>>250 miles. This means in 4 weeks, he needs to fill up his tank 1000/250= <<1000/250=4>>4 times. Since Tony's gas tank holds 10 gallons, this means he needs to pay for 4*10- 40 gallons of gas in a month. Since gas costs $2 a gallon, this means Tony spends 40*2=$<<40*2=80>>80 on gas every month, #### 80 Joseph had 16 baseball cards. He gave 3/8 of the cards to his brother and 2 cards to his brother. What percentage of the cards is left to Joseph? Joseph gave 16 x 3/8 = <<16*3/8=6>>6 cards to his brother. He gave a total of 6 + 2 = <<6+2=8>>8 cards to his brother and friend. Joseph has 16 - 8 = <<16-8=8>>8 cards left. This is 8/16 x 100% = 50% of his cards. #### 50 Edith is a receptionist at a local office and is organizing files into cabinets. She had 60 files and finished organizing half of them this morning. She has another 15 files to organize in the afternoon and the rest of the files are missing. How many files are missing? Edith has already organized 60 files / 2 = <<60/2=30>>30 files in the morning. She has files left to organize so she must still have 30 + 15 = <<30+15=45>>45 files in the office. This means there are 60 total files – 45 organized files = <<60-45=15>>15 missing files. #### 15 Six more than twice as many ducks go to North Pond as go to Lake Michigan. If Lake Michigan has 100 ducks, how many ducks can you safely estimate there will be at North Pond? To determine the number of ducks at North Pond, we must first perform 100*2= <<100*2=200>>200 to find the number to add 6 ducks to. We then take this number and add 6 to it, performing 200+6=<<206=206>>206 ducks in total at North Pond. #### 206 Susie opens a pizza store. She charges $3 per slice and $15 for a whole pizza. If she was able to sell 24 slices of pizza and 3 whole pizzas, how much money did she earn? She was able to earn 24 x 3= $<<24*3=72>>72 after selling 24 slices. She earned 15 x 3= $<<15*3=45>>45 after selling 3 whole pizzas. Therefore, she earned a total of $72+$45= $<<72+45=117>>117. #### 117 There are 56 pieces of fruit in a box. One-fourth of the box contains oranges. There are half as many peaches as oranges and five times as many apples as peaches. How many apples are in the box? Oranges = 56*1/4 = <<56*1/4=14>>14 oranges Peaches = half of oranges = 14/2 = <<14/2=7>>7 peaches Apples = 5*peaches = 5*7 = 35 There are 35 apples in the box. #### 35