The length of stainless steel pipe Q is
12 of the length of stainless steel pipe T and the length of stainless steel pipe T is
13 of the length of stainless steel pipe R and
16 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 |
1x1 |
2x1 |
|
|
|
|
1x2 |
3x2 |
|
|
|
1x2 |
|
6x2 |
|
1 u |
2 u |
6 u |
12 u |
21 u |
The length of stainless steel pipe T is repeated. Make the length of stainless steel pipe T the same. LCM of 2 and 1 is 2.
Total length of all the 4 stainless steel pipes
= 1 u + 2 u + 6 u + 12 u
= 21 u
Stainless Steel Pipe RTotal Length =
621 =
27Answer(s):
27