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William cycles at a speed of 15 miles per hour. he cycles for 12 miles from home to school. if he increases his cycling speed by 5 miles per hour, how much faster will he reach his school.
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William cycles at a speed of 15 miles per hour. he cycles for 12 miles from home to school. if he increases his cycling speed by 5 miles per hour, how much faster will he reach his school.

User Kitt
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12/15=4/5 original speed
12/20=3/5 increase by 5mph
He will reach 12 minutes earlier than he goes 15 miles per hour.
Correct me if I am wrong.
User Gjijo
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