It takes 2 hours and 30 minutes for Winnie and Anna to clear leaves off of a 1-acre lawn, working
at the same, constant rate. If their friend Victoria helps them clean another 1-acre lawn, and all
three work at the same constant rate as before, how much less time would it take than if Victoria
hadn't come?
A.) 50 minutes
B.) no time
C. 1 hour
D. 1 hour 40 min
Ihr
E. 1 hour 15 min