Vicramos Vicramos

07-07-2016
Mathematics

contestada

The value of a car is inversely proportional to age. If a car is worth 8100 when it is 6 years old, how old will it be when it is worth 5400?

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texaschic101 texaschic101

07-07-2016

8100/6 = 5400/x
cross multiply
8100x = 32400
x = 32400/8100
x = 4......4 years old

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