Free Practice Question
PS · Problem Solving
sub-505
Distance/Rate Problems
Carl averaged 2m miles per hour on a trip that took him h hours. If Ruth made the same trip in hours, what was her average speed in miles per hour?
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What it tests
Your application of distance = rate × time to trains, boats, and commuters, including relative speed.
Common trap
Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.
Details
Difficulty
sub-505
Type
PS
Category