If A covers 15 miles in 20 minutes and 20 miles in 30 minutes then find the average speed of A?
Submitted by: Administratoraverage speed=total distance/total time
so answer is 20+15(total dist)/(1/3+1/2)total time in hrs=
35*(6/5)=42miles/hr
Submitted by: Administrator
so answer is 20+15(total dist)/(1/3+1/2)total time in hrs=
35*(6/5)=42miles/hr
Submitted by: Administrator
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