Kurt rode an inner tube 9,800centimeters down a river at a steady speed. Kurt moved that distance in 2.8minutes, while his dog swam down the river at 8,050 centimeters per minute. What was Kurt's speed?Write your answer as a whole number.
Question
Kurt rode an inner tube 9,800centimeters down a river at a steady speed. Kurt moved that distance in 2.8minutes, while his dog swam down the river at 8,050 centimeters per minute. What was Kurt's speed?Write your answer as a whole number.
Solution
To find Kurt's speed, we need to divide the total distance he traveled by the time it took him.
Step 1: Convert the distance from centimeters to meters because the standard unit of speed is meters per minute or meters per second. There are 100 centimeters in a meter, so 9,800 centimeters is 98 meters.
Step 2: Convert the time from minutes to seconds because the standard unit of speed is meters per minute or meters per second. There are 60 seconds in a minute, so 2.8 minutes is 168 seconds.
Step 3: Divide the total distance by the total time to find the speed. So, 98 meters divided by 2.8 minutes equals approximately 35 meters per minute.
So, Kurt's speed was approximately 35 meters per minute.
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