The total length of 2 ropes and 3 threads is 252 cm. The length of a thread is
23 of the length of the rope. What is the total length of the 3 threads?
|
Ropes |
Threads |
Total |
Number |
2 |
3 |
|
Value |
3 u |
2 u |
|
Total value |
6 u |
6 u |
12 u |
Length of 2 ropes and 3 threads
= 6 u + 6 u
= 12 u
12 u = 252
1 u = 252 ÷ 12 = 21
Total length of the 3 threads
= 6 u
= 6 x 21
= 126 cm
Answer(s): 126 cm