sweetb2990p5wi20 sweetb2990p5wi20
  • 15-06-2018
  • Mathematics
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) The ratio of the length of an airplane wing to its width is 8 to 1 . If the length of a wing is 32.5 meters , how wide must it be ? Round to the nearest hundredth .

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kanest
kanest kanest
  • 15-06-2018
Set up a proportion:

[tex] \frac{8}{1} = \frac{32.5}{x}[/tex]

The numerator is the length of the airplane, and the denominator is the width of the airplane.

Cross multiply the fractions:

[tex]8x = 32.5[/tex]

Divide both sides by 8 to get x by itself:

[tex]x = 4.0625[/tex]

To round to the nearest hundredth, look at the thousandths value:

4.0625
2 < 5
4.0625 -> 4.06

The width of the airplane is 4.06 meters.
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