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Mathematics, 03.10.2019 10:00 Lingz

Afamily has two cars. during one particular week, the first car consumed 20 gallons of gas and the second consumed 30 gallons of gas. the two cars drove a combined total of 950 miles, and the sum of their fuel efficiencies was 40 miles per gallon. what were the fuel efficiencies of each of the cars that week?

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Afamily has two cars. during one particular week, the first car consumed 20 gallons of gas and the s...
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