Question

A recipe for a chocolate cake calls for 3.5 cups of flour. The recipe makes 7 servings. How many cups of flour are needed to make 10 servings ?

a. 5 cups
b.3.5 cups
c.4 cups
d. 7 cups

Answer 1

The answer is for sure 5 !

Answer 2

5 cups

Explanation:

`(3.5)/(7) = (x)/(10) \\ (3.5 * 10)/(7 * x ) \\ (35)/(7) \\ x = 5`