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Lou​'s car had 5.1 gallons in the 13​-gallon tank on the coldest day of the year. Lou filled the tank with gas that cost ​$3.70 per gallon. How much did Lou spend on​ gas?

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Answer:

$29.23

Step-by-step explanation:

Lou's car had a tank of capacity 13 gallons which were 5.1 gallons filled on the coldest day of the year.

So, the remaining unfilled capacity of the tank is (13- 5.1) =7.9 gallons.

Now, this volume of the tank is to be filled with gas that costs $3.70 per gallons.

Therefore, Lou has to spend (7.9 × 3.70) = $29.23 on gas. (Answer)

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