SOLUTION: in a race from point X to point Y,bilal averages 30 miles/hr to point Y and 10 miles/hr back to point X.hashim averages 20 miles/hr in both directions.if bilal and hashim begin the

Question 886738: in a race from point X to point Y,bilal averages 30 miles/hr to point Y and 10 miles/hr back to point X.hashim averages 20 miles/hr in both directions.if bilal and hashim begin the race at the same time,who will finish first?
A) bilal
B) hashim
C)they tie
i need its answer with explanation plz..
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
s=m/hr, t=hrs., d=m, b=bilal, h=hashim, m=miles
st=d
in 1 hr b goes 30 m.
10t=30m
t=3hr
1+3=4hr time it take b to go back and forth between X and Y if the distance between them is 30 miles.
.
For h, since his speed is the same in both directions, the total distance he travels is 60m.
20t=60
t=3 hr
h wins the race in 3/4 the time of b.
.
Ed
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