The total length of 6 wires and 2 ropes is 396 cm. The length of a rope is
23 of the length of the wire. What is the total length of the 2 ropes?
|
Wires |
Ropes |
Total |
Number |
6 |
2 |
|
Value |
3 u |
2 u |
|
Total value |
18 u |
4 u |
22 u |
Length of 6 wires and 2 ropes
= 18 u + 4 u
= 22 u
22 u = 396
1 u = 396 ÷ 22 = 18
Total length of the 2 ropes
= 4 u
= 4 x 18
= 72 cm
Answer(s): 72 cm