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A photo that is 4 in. wide and 6 in. high is enlarged to a poster that is 3 ft wide and ft high. What is the ratio of the width of the photo to the width of the poster? 4 : 3 1 : 9 9 : 1 3 : 4
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A photo that is 4 in. wide and 6 in. high is enlarged to a poster that is 3 ft wide and ft high. What is the ratio of the width of the photo to the width of the poster?

4 : 3

1 : 9

9 : 1

3 : 4

User Lissy
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2 Answers

2 votes
In this problem, we will be comparing the values 4 inches and 3 feet. Before we forget, the first step is to convert the 3 feet into inches. Knowing that there are 12 inches in a foot, 3 feet is equal to 36 inches. Now we can divide the two quantities. 4 divided by 36 is 9, so the ratio between the width of the photo to the width of the poster is B., 1:9.
User Ahmethungari
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7.4k points
3 votes
Hello!

1 ft = 12 inches
3 ft = 12 × 3 inches

12 × 3 = 36 inches

The original photo has a width of 4 in. The enlarged poster has a width of 36 in

Width of Photo to Width of Poster ⇒ 4:36


(4 / 4)/(36 / 4) = (1)/(9) = 1:9

Your answer is the 2nd choice, which is 1:9
User Jarondl
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7.6k points
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