Algebra questions need help

label Algebra
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The first car fuel 15 miles per gallon gas and the second fuel 30 miles per gallon gas. one week, the two cars combined total of 975 miles, total gas 45 gallons. many gallons were consumed by each of the two cars that week?

Mar 29th, 2015

The first car consumed 25 gallons, the second car consumed 20 gallons.

Solve the system 15x + 30y = 975; x + y = 45 => x = 25; y = 20

Mar 29th, 2015

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Mar 29th, 2015
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