The length 4

The length of a rectangular room measures twice a number x increased by 5. The width measures a number x increased by 3. What is the perimeter of the room?


p = (Correct answer is: 4x+16) Wrong answer

Step-by-step explanation:

a=x+5=5 b=x+3=3  p=2(a+b) p=2((x+5)+(x+3))  p=2(x+5+x+3) p=2(2x+8) p=4x+16

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