The length of stainless steel pipe C is
23 of the length of stainless steel pipe F and the length of stainless steel pipe F is
13 of the length of stainless steel pipe D and
12 of the length of stainless steel pipe E. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe E?
C |
F |
D |
E |
Total |
2x1 |
3x1 |
|
|
|
|
1x3 |
3x3 |
|
|
|
1x3 |
|
2x3 |
|
2 u |
3 u |
9 u |
6 u |
20 u |
The length of stainless steel pipe F is repeated. Make the length of stainless steel pipe F the same. LCM of 3 and 1 is 3.
Total length of all the 4 stainless steel pipes
= 2 u + 3 u + 9 u + 6 u
= 20 u
Stainless Steel Pipe ETotal Length =
620 =
310Answer(s):
310