Indria, bonnie and chang all work at the same pet store. indria works every other day. bonnie works every fourth day. chang works every fifth day. today they all worked together. how many days will it be until they work together again?

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

The correct answer is 7