Solve the Problem $\frac{1}{9}$ Of a Minute
B) 72 Minutes
C) 8 Minutes
D)

Multiple Choice

Solve the problem.
-The Epson Stylus 850 can print Helen's class project in 12 minutes. The Epson Stylus 500 can print the project in 36 minutes. If the two printers work together, how long would they take to print out the project?

A) $\frac{1}{9}$ of a minute
B) 72 minutes
C) 8 minutes
D) 9 minutes