Answer:
4.5
Step-by-step explanation:
This problem is set up in such a way that you take 1/10 of a number and equate it to 0.45
1/10 of x = 0.45 or
1/10 * x = 0.45 Multiply both sides by 10
1/10 * x * 10 = 0.45 * 10 Combine
x = 4.5
