The total length of 3 ropes and 8 ribbons is 392 cm. The length of a ribbon is
12 of the length of the rope. What is the total length of the 8 ribbons?
|
Ropes |
Ribbons |
Total |
Number |
3 |
8 |
|
Value |
2 u |
1 u |
|
Total value |
6 u |
8 u |
14 u |
Length of 3 ropes and 8 ribbons
= 6 u + 8 u
= 14 u
14 u = 392
1 u = 392 ÷ 14 = 28
Total length of the 8 ribbons
= 8 u
= 8 x 28
= 224 cm
Answer(s): 224 cm