The length of stainless steel pipe Q is
23 of the length of stainless steel pipe T and the length of stainless steel pipe T is
25 of the length of stainless steel pipe R and
25 of the length of stainless steel pipe S. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe R?
Q |
T |
R |
S |
Total |
2x2 |
3x2 |
|
|
|
|
2x3 |
5x3 |
|
|
|
2x3 |
|
5x3 |
|
4 u |
6 u |
15 u |
15 u |
40 u |
The length of stainless steel pipe T is repeated. Make the length of stainless steel pipe T the same. LCM of 3 and 2 is 6.
Total length of all the 4 stainless steel pipes
= 4 u + 6 u + 15 u + 15 u
= 40 u
Stainless Steel Pipe RTotal Length =
1540 =
38Answer(s):
38