A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant

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A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant

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A Motorist Makes A Trip Of 180 Miles For The First 90 Miles She Drives At A Constant Speed Of 30 Mph At What Constant 1
A Motorist Makes A Trip Of 180 Miles For The First 90 Miles She Drives At A Constant Speed Of 30 Mph At What Constant 1 (154.5 KiB) Viewed 40 times
A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant speed must she drive the remaining distance if her average speed for the total trip is to be 40 mph?
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