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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Camille uses a 20% off coupon when buying a sweater that costs $47.99. If she also pays 6% sales tax on the purchase,how much does she pay? |
40.69 |
(100/20%)(47.99)= 80%(47.99)=80(47.99)=38.39 Second add the sales tax: Total amount paid = 38.39+38.39(.06) =38.39+2.30=40.69 |
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Karen is 6 years older than her sister Michelle, and Michelle is 2 years younger than their brother David. If the sum of their age is 62, how old is michelle ? |
18 |
18/62 |
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A barista averages making 16 coffees per he. At this rate,how many hours will it take until she's made 1,200 coffees? |
75hrs |
The rate is 1hr/16 cups of coffee 1200 cups of coffee * (1 hr/16 cups of coffee) = 1200*(1/16) = 1200/16 = 75 |
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At Michael's smoothie cost $3.50 during the week and $4.00 on weekends. If Jonathan bought a smoothie everyday except Saturday how much did he spend on smoothies that week? |
21.50 |
5* $3.50= $17.50 17.50 + 4.00= $21.50 |
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In a classroom of 32 students, 14 are male.what percentage of the class is female? |
18 |
32-14=18 18/32*100=56.25%=56% |
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Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? |
89.5% |
91*8=728 728+78/9=806/9=89.5% |
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Julie gives 7 pieces of candy to each of her friends. If Julie give all of her candy away, which amount of candy could have been the amount she distributed- 161,162,145,or 128? |
161 |
161/7=23 128/7=18.28 145/7=20.71 162/7=23.14 Has to be a whole # |
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Four out of 28 student had to take summer school. What is the ratio of student who did not have to take a summer school class expressed in its lowest terms? |
6/7 |
28-4=24 24/28=6/7 |
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If doughnuts are usually 75 cents each, but there is a sale on Friday advertising them as 1+ 1/2 dozen for $10.80,what is the cost for just one? |
60 |
1 dozen=12 1(12)+ 1/2(12)= 12+6=18 doughnuts 10.80/18=0.60per doughnut |
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A cross country coach just announced that by the end of the quarter all students should run the 10 miles in less than 70 min..There are 15 students in the group. 6 of them ran the 10 miles in 1hr+15min.. 4 of them ran 10 miles in 1hr and 3min. 2 of them ran it in 10 miles 1hours and 9 min. 3 of them ran 10 miles in 1hr and 10 min. How many students made the goal? |
12 |
15-3=12 |
