Question

38.
A man completed a trip of 136 km in 8 hours. Some part of the trip is covered at 15 km/her and the
remaining at 18 km/hr. Then the part of the trip covered at 18 km/hr is
(1) 96 km
(2) 40 km
(3) 130 km
(4) 6 km​

Answer 1

Answer:

the part of the trip covered at 18 km/he is 96 km

Answer 2

(1)96

X+y=8
15x+18y=136
Solve for x and y