The length of rod P is
23 of the length of rod S and the length of rod S is
12 of the length of rod Q and
19 of the length of rod R. What fraction of the total length of the 4 rods is rod Q?
P |
S |
Q |
R |
Total |
2x1 |
3x1 |
|
|
|
|
1x3 |
2x3 |
|
|
|
1x3 |
|
9x3 |
|
2 u |
3 u |
6 u |
27 u |
38 u |
The length of rod S is repeated. Make the length of rod S the same. LCM of 3 and 1 is 3.
Total length of all the 4 rods
= 2 u + 3 u + 6 u + 27 u
= 38 u
Rod QTotal Length =
638 =
319Answer(s):
319