SOLUTION: This a variation of time problem. The alarms on 3 clocks go off at 8 min, 10 mins, and 12 mins, respectively. If they all go off at 3pm, at what time of the day will all 3 clock

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: This a variation of time problem. The alarms on 3 clocks go off at 8 min, 10 mins, and 12 mins, respectively. If they all go off at 3pm, at what time of the day will all 3 clock       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 138563: This a variation of time problem. The alarms on 3 clocks go off at 8 min, 10 mins, and 12 mins, respectively. If they all go off at 3pm, at what time of the day will all 3 clock alarms go off simultaneously? Thanks
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
This a variation of time problem. The alarms on 3 clocks go off at 8 min, 10 min, and 12 min, respectively. If they all go off at 3 pm, at what time of the day will all 3 clock alarms go off simultaneously? (Again?)
:
Find the least common multiple of 8, 10, 12:
2*2*2, 2*5, 2*2*3: 2*2*2*5*3 = 120 min, which is two hrs:
At 5 pm they all go off simultaneously