Question

A $300 computer has a 35% tax. What is the cost of the tax?

A) $150
B) $200
C) $80
D) $105

Answer 1

D : $105

Explanation:

I use Proportional Reasoning.

part percent

whole 100 is the formula.

We are looking for the part so we will keep that as "x"

x 35

300 100

100 x 3 is 300. So 35 x 3 is 105. Thats the answer!

Answer 2

The answer is D 105