When simplified it is just: 1
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40m^3
5m+2n, n-3m, 7-3n (5m+2n)+(n-3m)+(7-3n)=2m+7
The volume of a box is calculated by multiplying its length, width, and height. In this case, the box is 3m long, 5m high, and 2m wide. Therefore, the volume of the box would be 3m x 5m x 2m = 30 cubic meters.
It is simply: 5m+2
8m + 3n - 5m + 10n = 3m +13n