At a fair in Lucknow, a child's ticket costs Rs x and an adult's ticket costs Rs y. A family of 2 adults and 3 children paid Rs 350, while 1 adult and 2 children paid Rs 180. What is the price of one child's ticket (Rs x)?
Class 9Word ProblemsLinear Equations
A11
B10
C9
D20
Step-by-Step Solution
2y+3x=350 and y+2x=180 so y=180−2x. Substituting: 2(180−2x)+3x=350,360−4x+3x=350,360−x=350,x=10. So child ticket = Rs 10.
Answer: B) 10
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