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Taylor wanted to determine the gas mileage she was getting on her car. She filled the gas tank on her car when the odometer read 38,948 miles. After 7 days the odeometer read 39,333 miles and it took 11 gallons of gas to fill the tank. How many miles to the gallon did Taylor's car achieve?

 Jun 23, 2017

Best Answer 

 #1
avatar+7352 
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She drove a total of     39,333 – 38,948  =  385 miles

 

Assuming the tank was emptied on the 7th day,    it took  11  gallons of gas to drive  385  miles.

 

She can drive at a rate of 385 miles per 11 gallons of gas.

 

\(\frac{385\,\text{miles}}{11\,\text{gallons}}\,=\,\frac{385\,\text{miles}\,\div11}{11\,\text{gallons}\,\div11}\,=\,\frac{35\,\text{miles}}{1\,\text{gallons}}\)

 

That is, 35 miles per gallon

 Jun 23, 2017
 #1
avatar+7352 
+3
Best Answer

She drove a total of     39,333 – 38,948  =  385 miles

 

Assuming the tank was emptied on the 7th day,    it took  11  gallons of gas to drive  385  miles.

 

She can drive at a rate of 385 miles per 11 gallons of gas.

 

\(\frac{385\,\text{miles}}{11\,\text{gallons}}\,=\,\frac{385\,\text{miles}\,\div11}{11\,\text{gallons}\,\div11}\,=\,\frac{35\,\text{miles}}{1\,\text{gallons}}\)

 

That is, 35 miles per gallon

hectictar Jun 23, 2017

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