The sides of a rectangle were reduced by 60% of their original dimensions. The area of the new rectangle represents what percent of the area of the original rectangle?

Question

Ryann

Mathematics

2 July, 18:30

The sides of a rectangle were reduced by 60% of their original dimensions. The area of the new rectangle represents what percent of the area of the original rectangle?

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Answers (1)

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Lyric Gross · Answer 1

L * W = 1.6L * xW

Divide both sides by LW

1 = 1.6 * x

divide both sides by 1.6

= x

x =.625,

new width =.625*old width, therefore

1 -.625 =.375 * 100 = 37.5 decrease in the width to have the same area