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15 Cards in this Set
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A student gave 2/3 of her cassette tapes to her friend. If she kept 24 tapes, how many did she give away?

Two out of Three
One Third was kept by her The other two parts will be multiplied with the 24. 24 x 2 = 48 
A club has 4 Blue kites, 3 Green kites, and 3 Yellow kites. What proportion of the kites are blue?

4 + 3 + 3 = 10
4/10 = 0.4 40 
A woman deposits $600 into an account that pays 5 1/4 interest per year. How much interest will she receive in one year?

Remember 1/4 is the same as .25
So: 600 x 5.25 = 3150 3150 / 100 = 31.5 $31.50 
Water volume increases 9% when it freezes. If 180 cubic centimeters of water is frozen, by how many cubic centimeters will its volume increase?

180 x 9 = 1620
1620 / 100 = 16.2 
If 600 people applied to college and only 245 were accepted, what proportion of people were accepted?

245 / 600 = 0.4083

A hiker follows a trail that goes from camp to lake. The hiker walks 8 miles north, and then 6 miles east. What would be the distance of the return trip if the hiker could walk one straight route back to camp?

64 + 36 =100
100 /10 = 10 
A chef mixes his salt and pepper. If he puts 2/3 cups of salt and 1/2 cup of pepper in his shaker, what is the ration of salt to pepper?

Cross multiply
2/3 and 1/2 =4 / 3 
A painter can paint 4 walls per hour. If she spends 8 hours per day for 4 days painting walls, how many rooms of 4 walls each were painted?

4 x 8 = 32
32x 4 = 128 
How many floor boards 2 1/4 inches wide are needed to cover a floor 15 feet wide?

Remember 12 inches = 1 Foot
12 x 15 = 180 180 / 2.25 = 80 
A boat takes 2 hours to travel 15 miles upriver against the current. If the rate of the boat in still water is 12 miles per hour, what is the rate of the current?

15 / 2 = 7.5 miles

A merchant borrowed $650 for one year and repaid the bank $682.50 at the end of the year. What was the interest rate on the loan?

682.5  650 = 32.5
650 x .5.% = 32.5 
Ten people from the first floor and 14 people from the second floor put suggestions in a suggestion box. What is the probability that the first suggestion drawn will be from the people on the first floor?

10 + 14 = 24
10/24 = 5/12 
On a map, 2.5 inches represents 300 miles. How many miles are represented by 6 inches?

6/2.5 = 2.4
2.4 x 300= 720 
The length of a flag is 1.9 times its width. How long is the flag if its width is 5 feet?

1.9 x 5 = 9.5

A man has painted 1/5 of a tower. He started at the tower's base and is now 35 feet above the ground. How tall is the tower?

35 x 5 = 175
