George drives 4 hours. Each hour the gas tank changes by -¼ gallon. What is the total change in the gallons of gas in the tank?
1 answer:
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6n+1 = 25
subtract 1 from each side
6n+1-1 = 25-1
6n = 24
divide each side by 6
6n/6 = 24/6
n =4
