Question

A test has 20 questions. if peter gets 80 percent correct, how many questions did peter miss?

Answer 1

20=100%                             
x=80%

$x= \frac{20*80}{100}$

$x= \frac{160}{100}$

$x=16$  correct


20-16=4

answer

4=20%

Answer 2

The answers b) 4,. hope this helps u