Question

Working alone, Jared can dig a 10 ft by 10 ft hole in five hours. James can dig the same hole in six hours. How long would it take them if they worked together?

Answer 1

2 hours and 44 minutes

Answer 2

2.73

Explanation:

james=5hrs

jared=6hrs

1/5+1/6=1/x x= Time together

6x/30x+5x/30x=30/30x

11x=30

x= 2 8/11

(2hrs 44min)