Think About the Process The holding pond at a local factory is leaking. A reporter hears that the pond leaks 136.5 gallons of contaminated water every 39 days. The reporter wants to make a table showing how much leaks in 1​ day, 1​ week, 2​ weeks, and 1 month of 30 days. Find the best first step to make this table. Then make the table.
What is the best first​ step?
A.
Convert the number of days to weeks.
B.
Divide the number of days by the unit rate.
C.
Use the given ratio to find the unit rate.
D.
Multiply the unit rate by the number of days.