The total length of 3 wires and 7 ropes is 304 cm. The length of a rope is
14 of the length of the wire. What is the total length of the 7 ropes?
|
Wires |
Ropes |
Total |
Number |
3 |
7 |
|
Value |
4 u |
1 u |
|
Total value |
12 u |
7 u |
19 u |
Length of 3 wires and 7 ropes
= 12 u + 7 u
= 19 u
19 u = 304
1 u = 304 ÷ 19 = 16
Total length of the 7 ropes
= 7 u
= 7 x 16
= 112 cm
Answer(s): 112 cm