Homework Help: 8th grade math

Posted by Elizabeth on Monday, December 13, 2010 at 11:59am.

Greta is designing a page for the yearbook and needs to know the area of her 8 in. x 10 in. picture after she crops it. If she makes the length and width of the picture 5/8 of the original, how does the area of the picture change?

8th grade math - Ms. Sue, Monday, December 13, 2010 at 12:15pm
A = LW
A = 8 * 10
A = 80 sq. in.

(5/8) * 8 = 40/8 = 5
(5/8) * 10 = 50/8 = 6.25

5 * 6.25 = 31.25

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