Posted by **kejuan** on Tuesday, September 25, 2007 at 9:02pm.

Lenny,mark,andliza are going to jog along 3 different trails in the park. To complete one circuit , lenny takes 6 min., Mark takes 12 min., and liza takes 9 min. if they start at the same place and the same time, how long will it be before they are together again at the starting point?

- MATH -
**bobpursley**, Tuesday, September 25, 2007 at 9:07pm
Wouldn't have to be a common factor? something 6,12, and 9 all go into?

- MATH -
**Mathilde**, Tuesday, September 25, 2007 at 9:10pm
Yes, they do. =)

- MATH -
**drwls**, Tuesday, September 25, 2007 at 9:08pm
Look for the least common multiple of 3, 9 and 12. It will have to be the product of at least two 3's and two 2's.

## Answer This Question

## Related Questions

- math - If 3 people walk around a track, one takes 6 min, one takes 9 min and one...
- geometry - Lenny’s favorite radio station has this schedule: news: 15 min. ...
- math - Imelda, susan and clara are driving go carts around a track. Imelda takes...
- math - Bijous I and II start their movies at 7:00 p.m. The movie Bijou I takes ...
- Trigonometry - LONESTAR - The figure below is a model of a Ferris wheel. The ...
- MATH - Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat...
- algebra - it takes an HP laserjet 1300 printer 10 minute longer to complete a ...
- Fraction help wrong answer - It takes Nadia 4/9 h to complete her Language Arts ...
- math - can someone please help me, Rob is going to college in Oklahoma which is ...
- math - 3 h 20 min 4 h 25 min + 5 h 35 min=13 hrs 20 min 9 lb 15 oz - 5 lb 8 oz=...

More Related Questions