Mathematics, 26.06.2019 15:30, timithythaxton

Afamily has two cars. during one particular week, the first car consumed 20 gallons of gas and the second consumed 25 gallons of gas. the two cars drove a combined total of 800 miles, and the sum of their fuel efficiencies was 35 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...