The total length of 2 ropes and 3 wires is 391 cm. The length of a wire is
34 of the length of the rope. What is the total length of the 3 wires?
|
Ropes |
Wires |
Total |
Number |
2 |
3 |
|
Value |
4 u |
3 u |
|
Total value |
8 u |
9 u |
17 u |
Length of 2 ropes and 3 wires
= 8 u + 9 u
= 17 u
17 u = 391
1 u = 391 ÷ 17 = 23
Total length of the 3 wires
= 9 u
= 9 x 23
= 207 cm
Answer(s): 207 cm