Question

A test has 20 question. If peter gets 80% correct, how many questions did Peter miss ?

Answer 1

4

Explanation:

`(x)/(20)=(80)/(100)`

cross multiply

`100x=1600`

`x=16`

so, now that you know he got 16 correct, you know that he missed 4

Answer 2

Answer: 4

Explanation:

80% of 20 = 16

20-16= 4