Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
Answer:
He got 400 coins because there are 100 cents in a dollar. 100*20=2000. 2000/5=400!
Step-by-step explanation:
I hope this helps! Have a great rest of your day!
The probability of Jake winning a contest is 0.25
Answer:
3 : 5
Step-by-step explanation:
The ratio is 9 : 15 , but since we're simplifying to lowest terms, I divided each value by 3
Answer:
B
Step-by-step explanation:
In the first part for every x, y is the value of x plus 2, while in the second part for every x. y is 5