The total length of 9 strings and 6 wires is 378 cm. The length of a wire is
14 of the length of the string. What is the total length of the 6 wires?
|
Strings |
Wires |
Total |
Number |
9 |
6 |
|
Value |
4 u |
1 u |
|
Total value |
36 u |
6 u |
42 u |
Length of 9 strings and 6 wires
= 36 u + 6 u
= 42 u
42 u = 378
1 u = 378 ÷ 42 = 9
Total length of the 6 wires
= 6 u
= 6 x 9
= 54 cm
Answer(s): 54 cm