The length of stainless steel pipe A is
23 of the length of stainless steel pipe D and the length of stainless steel pipe D is
12 of the length of stainless steel pipe B and
19 of the length of stainless steel pipe C. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe B?
A |
D |
B |
C |
Total |
2x1 |
3x1 |
|
|
|
|
1x3 |
2x3 |
|
|
|
1x3 |
|
9x3 |
|
2 u |
3 u |
6 u |
27 u |
38 u |
The length of stainless steel pipe D is repeated. Make the length of stainless steel pipe D the same. LCM of 3 and 1 is 3.
Total length of all the 4 stainless steel pipes
= 2 u + 3 u + 6 u + 27 u
= 38 u
Stainless Steel Pipe BTotal Length =
638 =
319Answer(s):
319