The total length of 7 streamers and 2 wires is 368 cm. The length of a wire is
13 of the length of the streamer. What is the total length of the 2 wires?
|
Streamers |
Wires |
Total |
Number |
7 |
2 |
|
Value |
3 u |
1 u |
|
Total value |
21 u |
2 u |
23 u |
Length of 7 streamers and 2 wires
= 21 u + 2 u
= 23 u
23 u = 368
1 u = 368 ÷ 23 = 16
Total length of the 2 wires
= 2 u
= 2 x 16
= 32 cm
Answer(s): 32 cm