three pieces of timber are 28m , 42m , and 56m long have to be divided into planks of the same lengths what is the greatest possible length of each plank
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Answer:
7m
Step-by-step explanation
The lengths of three pieces of timber are 42m, 49m and 63m respectively. We have to divide the timber into equal length of planks. Hence, the greatest possible length of each plank is 7m.
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