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OpenStudy (anonymous):
In 2008, the price of a gallon of unleaded gasoline was $4.02. In 1990, it was only $1.37 per gallon. What is the increase expressed as a percent change? Round to the nearest percent. A. 66% B. 393% C. 193% D. 134% please i need help'
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OpenStudy (anonymous):
D
OpenStudy (anonymous):
nooo wait
OpenStudy (anonymous):
its not D?
OpenStudy (anonymous):
its C for sure
OpenStudy (anonymous):
think of it this way ! 1.37 was in 1990 u multiply 1.37 * 1.98 (which is ur percentage) u get 2.4661 then u add that 2.4661 to ur 1.37 and it get's to 4$
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OpenStudy (anonymous):
makes sense !?
OpenStudy (anonymous):
yup thanks
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