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A vendor sells lemonade in two sizes. Five small and three large glasses are sold for Rs 110. Three small and five large glasses are sold for Rs 130. Find the price (in Rs) of one large glass.

Class 10Word Problems on Linear PairsAlgebra — Systems of Equations
  • A18
  • B22
  • C40
  • D20

Step-by-Step Solution

5s + 3L = 110, 3s + 5L = 130. Add: 8s + 8L = 240 -> s + L = 30. Subtract: 2s - 2L = -20 -> s - L = -10. So L = 20, s = 10.
Answer: D) 20

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