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A family has two cars. During one particular week, the first car consumed 15 gallons of gas and the second consumed 40 gallons of gas.

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A family has two cars. During one particular week, the first car consumed 15 gallons of gas and the second consumed 40 gallons of gas. The two cars drove a combined total of 1575 miles, and the sum of their fuel efficiencies was 55 miles per gallon. What were the fuel efficiencies of each of the cars that week? First car: miles per gallon X Second car: miles per gallon

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