A plumber has three lengths of copper pipe; one is 220cm, another is
348cm and the other is 104cm long. He wants to cut them up to
produce smaller pipes to use in boilers so they all need to be the same
length, with no copper left over. What is the greatest length, in cm,
that he can make the pipes?
Answers
Answered by
1
Answer:
Total length =220+348+104
=672
for equal pipe = 672/3= 224 cm each pipes that is the greatest length
Answered by
5
220= 2×2×5×11
348= 2×2×3×29
104= 2×2×2×13
hcf = 2×2
= 4
therefore the plumber can cut the wire in length 4 cm to produce smaller pipes with no copper wire left over.
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