Posted by AMERICAL on Saturday, March 24, 2012 at 6:22pm.
If I had one clock that chimes every half hour and the other every 15minutes and they both chimed together at 1. the next time they will chime to gether will be two oclock pm

MATH  Ms. Sue, Saturday, March 24, 2012 at 6:23pm
Nope.
They'd chime together at 1:30. 
MATH  AMERICAL, Saturday, March 24, 2012 at 6:27pm
Can you explain how to do this problem. Thanks

MATH  Ms. Sue, Saturday, March 24, 2012 at 6:34pm
The clock that chimes every half hour chimes at 1:00, 1:30, 2:00, etc.
The clock that chimes every 15 minutes chimes at 1:00, 1:15, 1:30, 1:45, 2:00, etc. 
MATH  Ms. Sue, Saturday, March 24, 2012 at 7:01pm
30 minutes is 1/2 hour
15 minutes is 1/4 hour