Anurag buys coffee and tea at 37.5 and 35.0 per kg,respectively and spends 870 and gets 24 kg in all, how much of each kind did he buy?

Explanation

Let Amnurag buys `x` kg tea and `y` kg coffee.

Then, `x+y = 24->(1)`

`35x+37.5y = 870->(2)`

Multiplying (1) with `35` and then subtracting it from (2),

`35x+37.5y -35x - 35y = 870 - 840`

`=>2.5y = 30`

`=> y = 12`

Putting value of `y` in (1),

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