4/5 x for x = 5/8

A. 2
B. 1/2
C. 1/4

2 answers

D. 5/8

B. 1/2
Just plug in the variable:
4/5 * 5/8

Then cross-simplify and simplify again:
4/5 * 5/8 = 4/1 * 1/8 = 1/1 * 1/2 = 1 * 1/2

The Identity Property of Multiplication states that a number multiplied by 1 equals itself so 1 * 1/2 = 1/2

Your answer is B. 1/2