The trip will use six drivers therefore
x+y=6
51x+10y=142 (A bus can seat 51 passengers. A van can seat 10 passengers.)
10x+10y=60
41x=82
x=2 buses
y=4 vans
Got it?
Answer:
after discount sales price is rs 1997 which is 85 % of market price the market price = 1997/85×100 = 2350 ans.
