Solve the Problem. -The Epson Stylus 850 Can Print Helen's Class Project in Class

Multiple Choice

Solve the problem.
-The Epson Stylus 850 can print Helen's class project in 24 minutes. The Epson Stylus 500 can print the project in 30 minutes. If the two printers work together, how long would they take to print out the project?

A) 9 minutes
B)
C)
D) 120 minutes