kelly reduced the size of a portrait to have a width of 10 inches. if she used a scale of 1 inch : 2 inches, what was the width of the original portrait

Question

kelly reduced the size of a portrait to have a width of 10 inches. if she used a scale of 1 inch : 2 inches, what was the width of the original portrait

Answer 1

new 1 10

----- = --------- = ---------

old 2 ?

Then the original was 20

She just cut it in half