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laiz [17]
4 years ago
11

The price of a gallon of unleaded gas has dropped to $2.83 today. Yesterday's price was$2.89 . Find the percentage decrease. Rou

nd to the nearest tenth of a percent.
Mathematics
2 answers:
alexandr1967 [171]4 years ago
5 0
Decrease = initial price - final price

% decrease = [ (initial price - final price)  / initial price ] *100

% decrease =[ (2.89 - 2.83) / 2.89] * 100 =  2.08, which can be rounded to 2.1

Answer: 2.1 %
Yanka [14]4 years ago
3 0
2.83 to 2.89's percentage of decrease is....
   this is how you calculate this. You first use 2.89 minus 2.83. The answer is 0.06. Then use 0.06 to divide with 2.89. The anser is 0.020.For it to turn into a percentage number, times 0.020 with a hundred. And the answer is 2. So it is a 2 percent decrease. I didn't know how to round it though.

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