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A man completed trip of 136 km in 8 hrs.some part of trip was covered at 15 km/hr and remaining at 18 km/hr.find the part of the trip covered at 18km/hr
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Answered by
2
Answer:
96 km
Step-by-step explanation:
Distance=136 km
Time=8 hr
Let the time travelled at 15 km/hr(T1) be x hr
the time travelled at 18 km/hr(T2) = 8-x hr
d1=15x km
d2=18(8-x) km
15x+18(8-x)=136
15x+144-18x=136
3x=144-136
3x=8
x=8/3
T2=8-8/3=(24-8)/3=16/3
d2=18*16/3=6*16=96 km
Aayu2285:
i m fine
Answered by
1
Answer:
96 km..
hope it helps u..
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