Let b = blue ribbon and r = red ribbon.
3b/2 = r
3 * 30 / 2 = 45
r = 45
Answer:
Step-by-step explanation:
Bacteria is helpful because it helps protect the cells in your intestines. Its, harmful because itI can cause a disease in your lungs.
Hope this helps!
Answer:
1/4
Step-by-step explanation: