The length of copper pipe M is
23 of the length of copper pipe Q and the length of copper pipe Q is
25 of the length of copper pipe N and
25 of the length of copper pipe P. What fraction of the total length of the 4 copper pipes is copper pipe P?
M |
Q |
N |
P |
Total |
2x2 |
3x2 |
|
|
|
|
2x3 |
5x3 |
|
|
|
2x3 |
|
5x3 |
|
4 u |
6 u |
15 u |
15 u |
40 u |
The length of copper pipe Q is repeated. Make the length of copper pipe Q the same. LCM of 3 and 2 is 6.
Total length of all the 4 copper pipes
= 4 u + 6 u + 15 u + 15 u
= 40 u
Copper Pipe PTotal Length =
1540 =
38Answer(s):
38