Lin ride her bike 20 miles in 15 minutes. If she rode at constant speed what is the unit rate and how do you know ?

asked Nov 27, 2015 24.5k views

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$v=(d)/(t) \ \ \where: v=spped \ \ \ d=distane \ \ \ \ t=time\\ \\ \boxed{v=(20 \ mi)/((1)/(4) \ h)=20*4=80 \ mi/h}$

Samirahmed answered Dec 4, 2015

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