Question

You are making a poster to support your friend for homecoming. Your original photo is 4 inches by 6 inches. You want the photo on the poster to be 3 feet by 4/12 feet. What is the scale factor of this dilation?

Answer 1

9

Explanation:

Given that:

Dimension of Original photo = 4 inches by 6 inches

Intended dimension of model = 3 feet by 4 1/2 feets

Converting from feets to inches :

1 foot = 12 inches

Therefore,

Intended dimension of model :

3 feets = (3 * 12) = 36 inches

by 4 1/2 feets = (4 1/2 * 12) = 54 inches

Hence, scale factor required :

36 /4 = 9

54 / 6 = 9

Scake factor = 9