Question

Zack and tia played chess for 50 minutes they put the chess board away at 11:20 when did they start

Answer 1

guys i think zack and tia played chess

Explanation:

also its 10:30 i totally didnt steal an answer :)

Answer 2

10:30 because an hour before 11:20 is 10:20, but it was only 50 minutes, so add 10 minutes to 10:20 , and there you have it, 10:30.