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The price of a gallon of 87 octane gas has risen to 2.87 today. Yesterday's price was 2.82. Find the percentage increase. Round your answer to the nearest tenth of a percent.

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2007-04-16 11:46:44 · 4 answers · asked by faitherzbaby 1 in Science & Mathematics ➔ Mathematics

4 answers

2.82 * x + 2.82 = 2.87

(2.87 - 2.82) / 2.82 = 0.0177 or ~1.8%

2007-04-16 11:50:37 · answer #1 · answered by armensd 1 · 0⤊ 0⤋

2.87-2.82 = 0.05

0.05/2.82 x 100 = 1.8%

2007-04-16 18:55:13 · answer #2 · answered by mr.x 1 · 0⤊ 0⤋

(2.87-2.82)/2.82 = 0.017730496453900709219858156028369

~1.8% increase

2007-04-16 18:50:50 · answer #3 · answered by Anonymous000 2 · 0⤊ 0⤋

2.87-2.82=.05

.05/2.82=0.0177 x 100=1.77%=1.8%

2007-04-16 19:02:04 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋