Question 15
Karen can paint a wall in 2.5 hours. Stephanie takes 1.25 hours to paint the same size wall. How many minutes will it take for Karen and Stephanie working together to paint the same wall?
Assume constant individual painting rates, with their rates adding when they work together.
Enter only the whole-number answer, without units.
Assume constant individual painting rates, with their rates adding when they work together.
Enter only the whole-number answer, without units.