SOLUTION: when 5 gallons of gas are placed in the car's fuel tank, the tank moves from 3/8 full to 7/8 full. How many gallons does the tan hold? Show your solution.

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Question 903268: when 5 gallons of gas are placed in the car's fuel tank, the tank moves from 3/8 full to 7/8 full. How many gallons does the tan hold? Show your solution.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+5+ gallons = +7%2F8+-+3%2F8+=+1%2F2+ tankful
Let +x+ = the tank's capacity in gallons
+5+=+%28+1%2F2+%29%2Ax+
+x+=+10+
The tank holds 10 gallons