Question

Last month Bill's electric bill was $80.77. This month it is $69.06. what is the percent decrease?

$80.77 - $69.06 = $11.71 , I don't understand multiply decimal by 100 to get the decrease
Ms. Sue
You only did the first part.

You forgot to divide 11.71 by 80.77

100 (11.71 / 80.77) = ?

Whats the answer

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