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A gas station sells regular gas for $2.30 per gallon and premium gas for $2.85 a gallon. At the end of a business day 310 gallons of gas had been sold, and receipts totaled $746. How many gallons of each type of gas had been sold?

regular gas    ___ gal

premium gas   _____  gal

 Dec 9, 2019
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Regular gas =R galons
Premium gas=310 - R galons

2.30R + 2.85[310 - R] =746, solve for R
R = 250 galons sold.
Premium =310 - 250 =60 galons sold

 Dec 9, 2019

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