Two bus tickets from cit A to B and three tickets from city A to C cost Tk 77 but three tickets from city A to B and two tickets from city A to C cost Tk 73. What are the fares for cities B and C from city A?
A
Tk 4, Tk 23
B
Tk 13, Tk 17
C
Tk 15, Tk 14
D
Tk 17, Tk 13
Correct Answer: Tk 13, Tk 17
"Let, fare for B from A = x Fare for C from A = y 2x + 3y = 77 3x + 2y = 73 x = 13, y = 17"