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10 votes
1) Working alone, Ryan can dig a 10 ft by 10 ft

hole in five hours. Castel can dig the same
hole in six hours. How long would it take
them if they worked together?

User Resgh
by
3.8k points

1 Answer

8 votes

Explanation:

(Ryan+ castel)/2

(5+6)/2

11/2

5.5 hrs or 5½ hrs

User Andrew Mackrodt
by
3.3k points