Respuesta :

7,200x90=n and then that answer divided by 90 and then n equals your answer
Answers:
b.) 648,000
c.) I can't tell because I think you are missing some of the equation

Explanation:
7,200 ÷ n = 90 
To find n, you have to multiply both sides by 7,200
7,200 • 7,200 ÷ n = 7,200 • 90 
n = 648,000