A gallon of gasoline cost $3.09 two years ago. Now it costs $1.78. To the nearest percent, what has been the annual rate of decrease in cost?

Answers (1)
  1. Vishwa
    Given that a gasoline was $3.09 two years ago and it goes for $1.78 now, the rate of decrease will be:

    (Δ prices) / (time taken)

    = (1.78-3.09) / 2

    =-1.31/2

    =-.655 dollars per year.

    the answer is - 0.655 dollars per year
Guest
Know the Answer?

Not Sure About the Answer?
💡 Find an answer to your question "A gallon of gasoline cost $3.09 two years ago. Now it costs $1.78. To the nearest percent, what has been the annual rate of decrease in ..." in Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.

See Other Answers