The length of rod Q is
45 of the length of rod T and the length of rod T is
13 of the length of rod R and
19 of the length of rod S. What fraction of the total length of the 4 rods is rod R?
Q |
T |
R |
S |
Total |
4x1 |
5x1 |
|
|
|
|
1x5 |
3x5 |
|
|
|
1x5 |
|
9x5 |
|
4 u |
5 u |
15 u |
45 u |
69 u |
The length of rod T is repeated. Make the length of rod T the same. LCM of 5 and 1 is 5.
Total length of all the 4 rods
= 4 u + 5 u + 15 u + 45 u
= 69 u
Rod RTotal Length =
1569 =
523Answer(s):
523