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For, 15 cups of coffee for Rs 1000.
Tea - 24 cups in 6oo rs
so, 1 cup Tea - 25 rs
coffee - 15 cups in 1000rs
so, 1 cup coffee - RS 66 but also possible value- 66,65,64,63
choose value 63 because we want to purchase maximum cups of coffee.
Here,
2200 Rs and 8 cups of tea and X cups of coffee
8*(25)+X *(63) = 2200
x * (63) = 2000
max value for X =31 So, X * 63 < 2000
Ans is 31 cups of coffee.
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