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Standard XII

Physics

Variation of G Due to Height and Depth

A car can tra...

Question

A car can travel 20 miles in 5 gallons of fuel and 48 miles in 12 gallons of fuel. Find the unit rate.

4 gallons per mile

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5 gallons per mile

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6 gallons per mile

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7 gallons per mile

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Solution

The correct option is A 4 gallons per mile
Unit rate = $\frac{R i s e}{R u n}$

= $\frac{48 - 20}{12 - 5}$

= $\frac{28}{7}$

= 4 gallons

Hence, 4 gallons are required to travel 1 mile of distance.

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A car can travel 20 miles in 5 gallons of fuel and 48 miles in 12 gallons of fuel. Find the unit rate.

The correct option is A 4 gallons per mileUnit rate = RiseRun =48 − 2012 − 5 = 287 = 4 gallons Hence, 4 gallons are required to travel 1 mile of distance.

The correct option is A 4 gallons per mile
Unit rate = $\frac{R i s e}{R u n}$

= $\frac{48 - 20}{12 - 5}$

= $\frac{28}{7}$

= 4 gallons

Hence, 4 gallons are required to travel 1 mile of distance.