SOLUTION: if every fourth trick-or-treater is a vampire, and every 6th, robot, how many of each will you see if seventy-five trick -or treaters come to your door?

Algebra ->  Sequences-and-series -> SOLUTION: if every fourth trick-or-treater is a vampire, and every 6th, robot, how many of each will you see if seventy-five trick -or treaters come to your door?      Log On