gcampbell160 gcampbell160
  • 08-10-2020
  • Mathematics
contestada

The perimeter of the surface of a workbook is 40 inches. The workbook is 11 inches tall. How wide is it?

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OttisD
OttisD OttisD
  • 08-10-2020

Answer:

9 inches

Step-by-step explanation:

11 times two for the two equal sides is 22.  40-22 equals 18.  18 is the sum of the other two sides so you divide by two.  18/2 equals 9, so 9 inches.

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