The total length of 6 streamers and 3 ribbons is 252 cm. The length of a ribbon is
25 of the length of the streamer. What is the total length of the 3 ribbons?
|
Streamers |
Ribbons |
Total |
Number |
6 |
3 |
|
Value |
5 u |
2 u |
|
Total value |
30 u |
6 u |
36 u |
Length of 6 streamers and 3 ribbons
= 30 u + 6 u
= 36 u
36 u = 252
1 u = 252 ÷ 36 = 7
Total length of the 3 ribbons
= 6 u
= 6 x 7
= 42 cm
Answer(s): 42 cm