# Math Geometry

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Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the Painting is 1 1/4 times the width. What are the dimensions of the painting

this is for elementary school so make it simple

• Math Geometry -

1 1/4 in. = 5/4 in.

Width = W in.
Length = 5/4 * W = 5W/4 in.

Area = Length * Width =
5W/4 * W = 180 1n^2.
5W^2/4 = 180
Multiply both sides by 4:
5W^2 = 720
W^2 = 144
W = 12 in. = Width

5/4 * 12 = 15 in. = Length.

• Math Geometry -

Holly wants to make a frame for painting. The painting is square and has an area of 225 square inches. The framing material costs \$2.46 per inch. How much will Holly spend framing the picture?

I don't understand how to get the answer. I was told it is \$147.60??

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