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24 July, 02:34

Janes car uses 1 gallon of petrol for each 40 miles. A gallon of petrol costs 3.20. Work out the cost of petrol for Jane's 320 km journey

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  1. 24 July, 04:06
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    320 Kilometers = 198.8 miles

    I

    1 gallon of Petrol = 40 Miles

    I

    198.8/40 = 4.95 Gallons of Petrol

    I

    Cost of Petrol = 3:20 (per Gallon) x 4.95 Gallons = 15.84
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