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the price of a cup of coffee has risen to 2.80 today yesterday price was 2.45 find the percentage increase round to the nearest tenth of a percent

Respuesta :

kanest
Percentage increase can be found by the following equation:

(new cost / old cost) - 1 = percentage increase

Plug the values in.

(2.80/2.45) - 1 = percentage increase
1.1428 - 1 = 0.1428

Convert the decimal to a percentage.

0.1428 = 14.28%

Rounded to the tenth spot, the percentage increase is 14.3%.

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