Mathematics, 23.04.2021 05:10, 2019johnfranken

Stephanie used to run 12 minutes per mile. Now Stephanie runs 8.5 minutes per mile. What is her percent of change? State whether the percent of change is an increase or decrease. Round to the nearest whole percent if necessary.

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Stephanie used to run 12 minutes per mile. Now Stephanie runs 8.5 minutes per mile. What is her perc...