It is 45 . Just simply multiply both numbers. You will get the smallest denominator
Answer:
Equation to represent the situation = 
Step-by-step explanation:
Given:
Initial investment = Y
Growth rate (r) = 5% = 5 / 100 = 0.05
Number of year (n) = X year
Amount after X year = $800
Find:
Equation to represent the situation:
Computation:

Equation to represent the situation = 
4:4,8 12 16 20 24 5:10 20 25 30 35 40 45