SOLUTION: I need help with unit cancelling. If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes?
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Question 694804: I need help with unit cancelling. If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes?
Found 3 solutions by Ave, stanbon, MathTherapy:
Answer by Ave(106) (Show Source): You can put this solution on YOUR website!
First convert minutes into hrs 75min=1.25hr
use the formula distance=rate*time
4.5=r*1.25 divide both sides by 1.25
3.6=r
so 3.6 miles per hour
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes?
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Note: 75 min = (75/60) = 1 1/4 hrs = (5/4)hr
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Equation:
rate = distance/time = 4.5 miles / (5/4)hr
= (4*4.5)/5)mph
= 18/5 mph
= 3.6 mph
============
Cheers,
Stan H.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
I need help with unit cancelling. If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes?
---- Canceling minutes
---- Canceling numerator and denominator
---- Canceling numerator and denominator
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