Question

Which equation represents the question "80% of what number is 64?

64 = 0.8 x w
80 = 64 x w
64 = 80 x w
64 = 8.0 x w

Answer 1

64 = 0.8 x w

Explanation:

Because you are taking 80 percent of a number (w * 80%) and the answer is 64, it is 64 = 0.8 x w