Question

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

Answer 1

2.83=2.89+2.89x

Answer 2

x will be negative because its a decrease, multiply x by 100 when you solve it to get the percentage

Answer 3

-2.076%

Answer 4

yes, but they want the percentage decrease, so you drop the negative sign and there will be a 2.076% decrease

Answer 5

or an increase of -2.076%

Answer 6

also, because they want the answer rounded to the nearest tenth, the final answer should be 2.1% decrease

Answer 7

that sounds right