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22 May, 09:20

C. Example 8 in Section 3.2 describes fuel cost involved in idling your car engine for 5 minutes per day when the cost of gasoline is $3.75 per gallon using the formula c = 19a - 4 where c is the cost and a is the size of the engine in liters. Determine the size of the engine in your car and find the cost of idling your car engine for 5 minutes per day

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  1. 22 May, 12:10
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    3.75=19a-4

    3.75+4=19a

    7.75/19=a

    a=0.40
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