Question

I need 70% on a 60 question how many can i get worng

Answer 1

You need at least 42/60 correct, or 18/60 wrong. 

Answer 2

`(x)/(60) = 70\% \\ x = (70)/(100) * 60 \\ x = 42`

`60 - 42 = 18`

You can get 18 questions wrong.

Hope this helps and good luck on your test. - M