How to subtract with renaming fractions

To decorate a cake, you make a shade of purple icing using 2 drops of red food coloring for every 3 drops of blue. For 12 drops of red food coloring, how many drops of blue food coloring would you need?

John buys an item with a price of p dollars. He also pays 6% sales tax on the item. Which of the following is not equivalent to the price of the item after the sales tax is added? A 0.06p B 1.06p C 1.00p + 0.06p D p (1.00 + 0.06p)

Determine which ratio forms a proportion with 18/21 by writing the ratios in simplest form.

If the exchange rate between the U. S. dollar and the Canadian dollar is 1:1.3, which of the following is true? O A. A $5 item costs three times as much in Canada as it does in the United States. B.

3/7 of the apples in a box are red apples the rest are green apples there are 24 green apples how many apples are together

Your car can drive 28 miles on 1 gallon of gas. How many miles can your car go with a full tank of 12 gallons?

Donald has a coin collection. He has 36 dimes, 72 quarters, and 18 nickels. He wants to arrange them into equal groups with only one type of coin in each group. How many can he put in each group? a. 1 b. 2 c. 3 d. 4 E. 9 F. 12

Three piles of 7 beans each are to be made from 10 red, 5 yellow, and 6 green beans. If all of the beans must be used and each stack must contain at least one bean of each color, then what is the maximum number of red beans that can be put in one of

Describe two different methods to find the elapsed time from 2:30 p. M. To 2:58p. M.

What is the least common denominator for 2/3 and 3/5