The total length of 3 threads and 8 streamers is 315 cm. The length of a streamer is
19 of the length of the thread. What is the total length of the 8 streamers?
|
Threads |
Streamers |
Total |
Number |
3 |
8 |
|
Value |
9 u |
1 u |
|
Total value |
27 u |
8 u |
35 u |
Length of 3 threads and 8 streamers
= 27 u + 8 u
= 35 u
35 u = 315
1 u = 315 ÷ 35 = 9
Total length of the 8 streamers
= 8 u
= 8 x 9
= 72 cm
Answer(s): 72 cm