The total length of 3 threads and 2 streamers is 280 cm. The length of a streamer is
12 of the length of the thread. What is the total length of the 2 streamers?
| |
Threads |
Streamers |
Total |
| Number |
3 |
2 |
|
| Value |
2 u |
1 u |
|
| Total value |
6 u |
2 u |
8 u |
Length of 3 threads and 2 streamers
= 6 u + 2 u
= 8 u
8 u = 280
1 u = 280 ÷ 8 = 35
Total length of the 2 streamers
= 2 u
= 2 x 35
= 70 cm
Answer(s): 70 cm
