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    Word problem with time and distance

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    1. Calculate distance in inches that a bicyclist travelling 35 mph moves in 1/125 of a second?

    2. Notice the bicyclist is riding along a white line. Suppose the length of this white line captured in a photograph is 14 ft. Use proportions to calculate the distance the bicyclist will appear to move in a photograph of this scene that is 10 in. wide.

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    Solution Preview

    Word problem with time and distance (Please be descriptive)

    1. Calculate distance in inches that a bicyclist traveling 35 mph moves in 1/125 of a second?

    For this question, we have the speed in miles per hour, and we need to change this to inches per second. So, we have to convert miles to inches and hours to seconds.

    We start with 35 miles/hour. There are 63,360 inches in a mile (I looked that up!) and 3600 seconds in an hour (there are 60 minutes in an hour, and 60 seconds in each minute). Multiply these figures together. Notice that we're not changing the value of the 35 mph because the second and third fractions ...

    Solution Summary

    The solution solves two algebra word problems that involve time and distance. The proportions to calculates the distance bicyclists are determined.

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