Ayellow ribbon is 7 centimeters long. a blue ribbon is 4 times as long as the yellow ribbon. how much longer is the blue ribbon than the yellow ribbon?

21cm longer.

Step-by-step explanation:

1. Y/R = 7cm, B/R = 7(4)cm

2. B/R = 28cm

3. 28cm - 7cm: as you are trying to find out how longer the b/r is relative to the y/r.

4. 28 - 7= 21cm.

In conclusion, the blue ribbon is longer than the yellow ribbon by 21cm.

13.33%

say 50 oranges, then 100 apples

80 are red, 20 are yellow

total fruit = 150

20chances out of 150 for yellow

20/150 = 13.33%