Homework Help: alegebra

Posted by H.C. on Tuesday, February 13, 2007 at 10:18pm.

Mr. Baker wants to enlarge a photo that is 5 by 7 inches so that the dimensions are 3 times larger than the original. How many times larger than the original photo will the area of the new photo be?

I am sorry that nobody responded to your post earlier.

If the dimensions are three times larger that means that the new photo will be 15 x 21 inches.

Find the area of the original photo by multiplying 5 x 7. Do the same for the new photo. Then divide the area of the new photo by the area of the old photo. This is your answer.

I hope this helps. Thanks for asking

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