Posted by alex on Friday, February 22, 2013 at 8:34am.
Bonnie has a rectangular photographic print that is 5 inches wide and 7 inches long. If she multiplies both the length and width by 1.5, how will the perimeter of the print increase?

Math ASAP  Knights, Friday, February 22, 2013 at 8:45am
1.5 * 5 = ?
1.5 * 7 = ?
1.5 * 5 *2 + 1.5 * 7 *2  24 = ?
fyi it equals 15 + 21  24
so 36  24 = (12)

Math ASAP  JJ, Friday, February 22, 2013 at 9:04am
24 is the original perimeter.
P = 2l + 2w
Just wanted to add that information.
You could also just multiply the 24 times 1.5 to get the new perimeter of 36 and then take the difference. The math is a little easier.
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