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William cycles at a speed of 15 miles per hour. he cycles 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 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 Rick Glos
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the time will be 48 because 5*4=20, so 12*4=48
now william reaches faster 20 miles that 20-5=15 5*3=15 so 12*3=36
therefore william reaches school 12 minutes faster.

User Shyann
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