damiantovar14 damiantovar14
  • 02-06-2017
  • Mathematics
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There are 12 inches (in). in 1 foot (ft). which expression can be used to find the number of inches in 2.5 feet?

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krisnickbrozio1
krisnickbrozio1 krisnickbrozio1
  • 02-06-2017
Given:
12 inches in 1 foot
number of inches in 2.5 feet

2.5 feet * 12 inches/1foot = 2.5 * 12 inches = 30 inches

1 foot + 1 foot + 0.5 foot = 2.5 feet
12 inches + 12 inches + 6 inches = 30 inches

12 inches : 1 foot = x : 2.5 feet
12 inches * 2.5 feet = x*1foot
30 inches * feet = x * foot
30 inches = x
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