On a weekly forest brigade operates 12 students. After plant one hundred spruces get x CZK, anfter one hundred pines y CZK. How many CZK got one student for one day if planted spruces 25000 and 30000 pines week?

Result

a = Kc (Correct answer is: 2.976x+3.571y)

### Step-by-step explanation:

$a=\left(25000\mathrm{/}100\cdot x+30000\mathrm{/}100\cdot y\right)\mathrm{/}\left(7\cdot 12\right)=2.976x+3.571y$

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