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16 January, 01:33

While in Europe, if you drive 123 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 31.0 mi/gal? Assume that 1euro=1.26dollars.

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  1. 16 January, 04:13
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    First, you drive 123km per day, and they ask for in a week.

    There are 7 days in a week, we have to multiply 123 by 7, which equals 861.

    =km per week 861

    Now, we need to find out how much cost the gas. Gas cost 1.10 euros per-liter, and this problem wants us to assume that 1euro = 1.26 dollars.

    So, we divide 1.10 by 1.26 which is 0.87.

    =gas cost 0.87 per liter.

    Next, this person goes 31.0 mi/gal per stop.

    To get the answer we need to divide 861 the full distance in a week and divide it by how many stops nee to be made which is each 31 mi/gal.

    So, 861/31 = 27.77 and now we times 0.87 by 27.77 to get gas cost.

    =24.16
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