In 1990, the price of a gallon of unleaded gasoline was $1.37. In 1998, it was $1.02 per gallon. What is the decrease expressed as a percent change? Round to the nearest tenth of a percent if necessary.
Question
Answer:
The decrease is 35cQ= X/100 of $1.37 = 0.35
1.37x/100 = 0.35
1.37x = 35 then divide each side by 1.37
Result is 25.5474453 percent, round up to nearest tenth.
Answer is 25%
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