Sally has a part-time job mowing lawns. she charges $5 per hour.

if she has $242 at the end of the month how long has she spent mowing lawns in hours and minutes?

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,