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The ratio of the width to the length of a painting is 3 to 7. If the painting is 43 inches long, how wide is it?

The ratio of the width to the length of a painting is 3 to 7. If the painting is 43 inches long, how wide is it?
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The ratio of the width to the length of a painting is 3 to 7. If the painting is 43 inches long, how wide is it?

User Ivan Stoev
by
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1 Answer

7 votes
width / length = width / length
3/7 = w / 43

3/7 = w/43
cross multiply
(7)(w) = (3)(43)
7w = 129
w = 129/7 or 18 3/7 <==
User Matt Cotton
by
9.4k points
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