bawjwagner bawjwagner

14-11-2014
Mathematics

contestada

The area of a pentagon increased by 27 is the same as four times the area of the pentagon, minus 15. what is the area of the pentagon?

Respuesta :

dannyboy49 dannyboy49

14-11-2014

Set up an algebraic equation. This is what it looks like based on what the question tells you:

Let a = area of pentagon
a+27 = 4a-15
3a-15 = 27
3a = 42
a = 14

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