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Mathematics, 12.10.2019 03:30 cyni

Afamily has two cars. the first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 20 miles per gallon of gas. during one particular week, the two cars went a combined total of 1400 miles , for a total gas consumption of 45 gallons. how many gallons were consumed by each of the two cars that week?

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Afamily has two cars. the first car has a fuel efficiency of 40 miles per gallon of gas and the seco...
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