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January 28, 2015

January 28, 2015

Posted by **Robert** on Sunday, November 18, 2012 at 11:05am.

The lengths of the sides of a rectangular window have the ratio 1.6 to 1. The area of the window is 2,560 square inches. What are the dimensions of the window? (1 point)

50.6 inches by 50.6 inches

40 inches by 64 inches

40 inches by 80 inches <------ my answer

40 inches by 102.4 inches

- Algebra 2 -
**Bosnian**, Sunday, November 18, 2012 at 12:12pmA = Area

W = Width

L = Length

L = 1.6 W

A = L * W

A = 1.6 W * W

A = 1.6 W ^ 2

2,560 = 1.6 W ^ 2 Diwide both sides by 1.6

2,560 / 1.6 = W ^ 2

1600 = W ^ 2

W = sqrt ( 1600 ) = 40 in

L = 1.6 * 40 = 64 in

Answer:

40 in by 64 in

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