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serious [3.7K]
3 years ago
7

Tony has an order for a rectangular sheet of metal that measures 42m^2. If he already has a sheet that is 7 meters long and 2 me

ters wide, what size sheet will he need to weld to this sheet in order to complete the order ?
Mathematics
1 answer:
Delvig [45]3 years ago
7 0
In order to solve this problem, you need to subtract the metal sheet Tony already has (7m x 2m = 14m^2) from the total size he needs, which is 42m^2. So 42m-14m= 28m^2 that still need to be accounted for. Since it is a rectangular shape, one of the dimensions of the added sheet must be the same as the original. the only dimension would be 7m by 4m which would equal 28m^2. Add this to the original 14m^2 and this would add up to the desired 42m^2. So your answer is 7m by 4m sheet needs to be added.
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