It took Debbie1.8 hours to dri

zbewyrc
timer Asked: Jan 21st, 2016

Question Description

It took Debbie1.8 hours to drive to her​ mother's house on Friday morning. On her return trip on Saturday night, traffic was​ heavier, so the trip took her 2 hours. Her average speed on Saturday was 3 mph slower than on Friday. What was her average speed on Saturday​?

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