Laco went (was sent) to a conference in Amsterdam for a reward. The conference fee was € 2536.

Calculate how many books Ladislav could buy at the price of 46 and 54 euros if he doesn't want to fill the whole home library, and he can buy only 52 books?

books by € 46:  34
books by € 54:  18

### Step-by-step explanation:

x+y=52
46•x+54•y=2536

x+y = 52
46x+54y = 2536

x = 34
y = 18

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