3. The amount was $120 at 5% rate for 4
years.

Go to photo math thank me later

Step-by-step explanation:

dowload tha app on ur phone

1. Use PEMDAS to do the problem in the right order, put like terms together
2. When you plug the value you got back into the equation, you can make sure you found the right value. Construction workers would need to do the inverse to make sure they have the right measurements for the walls