Will medal.

The Newport Crab Company marks the location of its crab pots with colored balloons. They mark every fourth pot with a red balloon, every sixth pot with a blue balloon, and every tenth pot with a yellow balloon. After placing 600 crab pots in the bay, how many pots have three different colored balloons attached?

Question

Will medal. 

The Newport Crab Company marks the location of its crab pots with colored balloons. They mark every fourth pot with a red balloon, every sixth pot with a blue balloon, and every tenth pot with a yellow balloon. After placing 600 crab pots in the bay, how many pots have three different colored balloons attached?

anonymous · Answer

You can start by drawing a sketch of the first few crap pots to get a feel for the pattern, maybe the first 11.

anonymous · Answer

But what after that?

anonymous · Answer

look for a pattern, maybe it repeats and you can just multiply to got out to 600.

anonymous · Answer

They want me to use the least common multiple somehow.