What you can do is multiply 400*20= 8,000. From here, we know that 399*20 is just one less group of 20 than 400. Therefore, we can subtract (1*20) from 8,000 to get the final answer.
8000-20=7980
Hope this helps!
Answer:

Step-by-step explanation:
When solving for 1 variable, set the other to 0 and solve.

Answer:
The answer is: 5/20 or a 25% chance
The radius is 22 for this , good luck my friend!!
5.1g = 35.7
5.1g/5.1 = 35.7/5.1
g = 35.7/5/1
g = 7
hope this helps