Answer:
![4.5](https://img.qammunity.org/2023/formulas/mathematics/high-school/519756r0t4lch8l0kw8o0abt8ca20e1gf2.png)
Explanation:
In this answer, I'll be using a method called percent proportion.
in this case part = is and whole = of
Answer:
0.045 is 1% of what number?
![(1x)/(1) = (4.5)/(1) x=4.5](https://img.qammunity.org/2023/formulas/mathematics/middle-school/ngdn4wr2107zipazksrnfys1yix1vho1fe.png)
Steps:
1. make your proportion.
2. cross-multiply your proportion. Remember we don't know what x equals.
3. divide both sides by 1.
4. Answer =
![4.5](https://img.qammunity.org/2023/formulas/mathematics/high-school/519756r0t4lch8l0kw8o0abt8ca20e1gf2.png)
Have a nice day :)