soccergirl1010 soccergirl1010
  • 19-01-2015
  • Mathematics
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A scale model of a car is 9 inches long. the scale is 1:18. How many inches long is the car it represents?

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naǫ
naǫ naǫ
  • 20-01-2015
1 inch of the model - 18 inches of the car
9 inches of the model - x inches of the car

[tex]\frac{1}{18}=\frac{9}{x} \\ x=9 \times 18 \\ x=162[/tex]

The car is 162 inches long.
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