The length of stainless steel pipe B is
45 of the length of stainless steel pipe E and the length of stainless steel pipe E is
13 of the length of stainless steel pipe C and
13 of the length of stainless steel pipe D. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe D?
B |
E |
C |
D |
Total |
4x1 |
5x1 |
|
|
|
|
1x5 |
3x5 |
|
|
|
1x5 |
|
3x5 |
|
4 u |
5 u |
15 u |
15 u |
39 u |
The length of stainless steel pipe E is repeated. Make the length of stainless steel pipe E the same. LCM of 5 and 1 is 5.
Total length of all the 4 stainless steel pipes
= 4 u + 5 u + 15 u + 15 u
= 39 u
Stainless Steel Pipe DTotal Length =
1539 =
513Answer(s):
513