math555 math555
  • 29-03-2015
  • Mathematics
Answered

A sleeping bag weighs 8 pounds. Your backpack and sleeping bag together weigh 31 pounds. Write an equation to determine whether the backpack without the sleeping bag weighs 25 or 23 pounds.

Answer :

pedrammath pedrammath
  • 29-03-2015

X+8=31 ----->X=31-8 ---->X=23
Answer Link
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  • 29-03-2015
sleeping bag⇒S
backpack⇒B
S=8 pounds
S+B=31
8+B=31
B=31-8
B=23 pounds

Answer: 23 pounds
Answer Link

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