A) 15 km
B) 17 km
C) 14 km
D) 16 km
Correct Answer: D
Solution :
[d] Let distance travelled on foot = x km \[\therefore \] \[\frac{x}{4}+\frac{61-x}{9}=9\] \[9x+244-4x=324\] 5x = 80 x = 16 km \[\therefore \] Distance travelled on foot = 16 kmYou need to login to perform this action.
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