Mathematics, 02.10.2019 04:30 mduncan840

Afamily has two cars. during one particular week, the first car consumed 20 gallons of gas and the second consumed 40 gallons of gas. the two cars drove a combined total of 1300 miles, and the sum of their fuel efficiencies was 50 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...