Johnny73783 Johnny73783
  • 07-04-2015
  • Mathematics
Answered

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

Answer :

melonhead
melonhead melonhead
  • 07-04-2015
The height of the envelope is 10. This is because you divide the area by 3. So, the missing side is 10 inches.

Answer Link
Kay1241 Kay1241
  • 08-04-2015
3+3=6
?+?+6=30
?=12
12+12=24
24+6=30
The other two sides are equal to 12
Answer Link

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