Respuesta :

musiclover10045

2.89-2.84 = 0.05 cent increase

0.05/2.84 = 0.0176

0.0176 = 1.8% increase

texaschic101
price increase = (new number - original number) / original number....* 100
                       = (2.89 - 2.84) / 2.84...* 100
                      = 0.05 / 2.84....* 100
                      = 0.0176 ...* 100
                      = 1.76  rounds to 1.8% <===

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good job