Inspection 12171

During the inspection of the trees, we found that 1/3 was broken and 2/5 bitten. In the beginning, there were only 40 pieces. How much was planted in total?

Correct answer:

n =  150

Step-by-step explanation:


n/3 + 2/5·n + 40 = n

4n = 600


n = 600/4 = 150

n = 150

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