Homework Help: Math

Posted by Please Please Help on Tuesday, August 28, 2012 at 10:11pm.

Please help with this math word problem:

Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2 different ways Jamal can enlarge the picture to make it an 8X10.

Thank you so very much for helping.

Math - Reiny, Tuesday, August 28, 2012 at 10:57pm
You want to increase the width from 5 to 8 which is an increase of 60%
To prevent distortion, the length would have to be increased by that same percentage, so
1.60(7) = 11.2
BUT, we wanted it to be 10, so you will have to crop the picture.

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