An envelope from the post office is 3 inches wide with a total area of 30 square inches.what is the height of the envelope

asked Apr 21, 2016 196k views

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5 votes

3+3=6
?+?+6=30
?=12
12+12=24
24+6=30
The other two sides are equal to 12

Indian answered Apr 23, 2016

8.5k points

6 votes

The height of the envelope is 10. This is because you divide the area by 3. So, the missing side is 10 inches.

Furq answered Apr 28, 2016

by Furq

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