Given that a company's basic work week is 40 hours. If an employee works 48 hours for the week. How many hours of overtime did they do?

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,