Respuesta :

devishri1977

Answer:

Step-by-step explanation:

reduced amount  = 70 - 40 = $30

Percent of reduction =  [tex]\frac{30}{70}*100\\=\frac{300}{7} \\=42\frac{6}{7}[/tex]%

0r 42.86%

texaschic101

Answer:

Step-by-step explanation:

percent decrease = (original number - new number) / (original number) * 100

                              = (70 - 40) / 70 * 100

                             = 30/70 * 100

                             = 0.42857 * 100

                             = 42.857 % decrease....if u need it rounded, 42.86%....or if u

                               need it rounded to the nearest whole percent, its 43%

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