The total length of 6 strings and 4 threads is 286 cm. The length of a thread is
13 of the length of the string. What is the total length of the 4 threads?
| |
Strings |
Threads |
Total |
| Number |
6 |
4 |
|
| Value |
3 u |
1 u |
|
| Total value |
18 u |
4 u |
22 u |
Length of 6 strings and 4 threads
= 18 u + 4 u
= 22 u
22 u = 286
1 u = 286 ÷ 22 = 13
Total length of the 4 threads
= 4 u
= 4 x 13
= 52 cm
Answer(s): 52 cm
