A rectangle has an area of 112 square units. If its width was half as long and its length was 8 times as long, what would be its new area?

Question

Mathematics

Hunter Shelton

25 May, 00:57

A rectangle has an area of 112 square units. If its width was half as long and its length was 8 times as long, what would be its new area?

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Answers (1)

Know the Answer?

Delaney Huff · Answer 1

Area (rectangle) = lenght x width

lenght=x

width=y

xy=112 u²

Then

(y/2) (8x) = 4xy

Therefore:

xy=112 u² then 4xy=4 (112 u²) = 448 u²

answer: the new area would be 448 u²