Question

Ratio and Proportion work problems!
1. A photographer is now 2 1/4 centimeters wide and 3 1/4 centimeters high. How wide will it be when it is enlarged to a height of 13 centimeters.

2. If a map drawn to the scale of 1.5 centimeters equals 100 kilometers, what distance does 4.5 centimeters represent?

Answer 1

x=(13*21/4)/(31/4)

Answer 2

so the same situation for B

Answer 3

I understand how to do it. I just need an answer.