**A fire covers 420 acres and continues to spread at a rate of 60 acres per day. How many total acres will be covered in the next 2 days?**

**Write an expression for the total area covered by the fire in d days**

**The firefighters estimate that they can put out the fire at a rate of 80 acres per day. Write an expression for the total of area that the firefighters can put out in d days.**

**Set the expression in parts b and c equal. Solve for d. What do do represntt**

**Answer:**

a. 120

b. 420 + 60d

c. 80d

d. 80d = 420 + 60d

20d = 420

d=21

How many days it will take the firefighters to put out the fire