You first have to convert the 5 tons to pounds.
Once you have done that step you simply add.
Answer:
12
Step-by-step explanation:
0.2 would be 20% written as a decimal.
Each month the new total you be
initial amount * 1.024
Repeating the process for a year (=12 months) you get
initial amount * 1.024^12
Being initial amount = $100
100*1.024^12 = $132.92
After 1 year you will have $132.92