A gas station sells regular gas for $2.25 per gallon and premium gas for $3.05 a

Algebra
Tutor: None Selected Time limit: 1 Day

A gas station sells regular gas for $2.25 per gallon and premium gas for $3.05 a gallon. At the end of a business day 240 gallons of gas were sold, and receipts totaled $612. How many gallons of each type of gas were sold?
regular gas     gallons
premium gas     gallons
Apr 20th, 2015

Let  x gallon regular gas and y gallon premium gas were sold

x+y = 240   -------------(1)

2.25x+3.05y = 612 -----------(2)

multiplying 1 with 2.25 we get

2.25x+2.25y =540 ------------(A)

Subtracting A from 2 we get

0.8y = 72   hence y = 90 gallon

therefore x = 150 gallon

Answer

Regular gas   :     150 gallon

Premium gas :     90 gallon


Apr 20th, 2015

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