The total length of 6 wires and 4 strings is 272 cm. The length of a string is
12 of the length of the wire. What is the total length of the 4 strings?
| |
Wires |
Strings |
Total |
| Number |
6 |
4 |
|
| Value |
2 u |
1 u |
|
| Total value |
12 u |
4 u |
16 u |
Length of 6 wires and 4 strings
= 12 u + 4 u
= 16 u
16 u = 272
1 u = 272 ÷ 16 = 17
Total length of the 4 strings
= 4 u
= 4 x 17
= 68 cm
Answer(s): 68 cm
