Consider the following word problem:

It took Eric 10 hours to drive to a job interview. On the way home, he was able to increase his average speed by 21 mph and make the return drive in only 7 hours. Find his average speed on the return drive.
Step 1 of 3: Complete the following table by entering the missing values.

2 answers

the distance is the same

10 (s - 21) = 7 s

10 s - 210 = 7s
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