Twelve students work on a week forestry brigade. One hundred spruces will receive x CZK, one hundred pine y CZK. How many receive each student in one day if they planted a total of 25,000 spruces per week and 30,000 pine trees? Express by expression.

Correct answer:

z = fr(125,42) * x + fr(25,7) * y

Step-by-step explanation:

z = 25000/100   x /12/7 + 30000/100   y /12/7 z=42125 x+725 y

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