2. Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8

3. A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.

Question

Mathematics

Max Escobar

31 May, 02:26

2. Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8

3. A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.

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Answers (1)

Know the Answer?

Yandel Franklin · Answer 1

2. r/5=9/21

r x 21 = 9 x 5

r = 45/21

r = 2.14 (the answer is B)

3. 4 cups-> 4 dozen

x cups-> 8 dozen

4/x = 4/8

X x 4 = 4 x 8

x = 32/4

x = 8 cups

2. Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.83. A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.

2. Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8

3. A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.