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At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoline every 30 miles. if the car starts with a full 12 gallon tank of gasoline and travels for 5 hours at 50 miles per hour, the amount of gasoline used would be what fraction

Respuesta :

1 gallon = 30 miles

5 hours = 250 miles
[tex]250 \div 30 = 8 \frac{1}{3} [/tex]
Fraction of amount of gasoline used =
[tex] \frac{ \frac{25}{3} }{12} \\ = \frac{25}{3} \times \frac{1}{12} \\ = \frac{25}{36} [/tex]
Answer is 25/36

Hope this helps. - M

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