The total length of 2 streamers and 5 threads is 357 cm. The length of a thread is
18 of the length of the streamer. What is the total length of the 5 threads?
| |
Streamers |
Threads |
Total |
| Number |
2 |
5 |
|
| Value |
8 u |
1 u |
|
| Total value |
16 u |
5 u |
21 u |
Length of 2 streamers and 5 threads
= 16 u + 5 u
= 21 u
21 u = 357
1 u = 357 ÷ 21 = 17
Total length of the 5 threads
= 5 u
= 5 x 17
= 85 cm
Answer(s): 85 cm
