Question

I took a drivers ed Final exam the other day and got a 91. there were 175 questions how many did i get wrong.

Answer 1

Answer: 15

Explanation:

160/175

=0.914285714285 or 0.91

175-160

=15

...And there you go

Answer 2

Explanation:

You got 91% of the questions right out of 175. In math words, this is saying that:

`(91)/(100)*175=x`

`x=159.25`

So, you got 175 - 159 = 15.75 questions wrong. The decimal could be from getting only part of a question wrong. So you got partial credit for one question