Lorry

The lorry was loaded with 18 boxes of 15 kg. How many boxes with weight 18 kg can be loaded, if total load must be same?

Result

n =  15

Solution:

18...15 n....18  1815=n18 n=181518=1518 ... 15 \ \\ n .... 18 \ \\ \ \\ 18 \cdot 15 = n \cdot 18 \ \\ n = \dfrac{ 18 \cdot 15 }{ 18 } = 15



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