If michelle was three times as old as she was five years ago,she will be sixty less than six times her current age.how old is michelle?
3(m-5)=6m-60
3m-15 = 6m-60
3m=45
m=15
check:
3*(15-5) = 30 = 6*15-60
3m-15 = 6m-60
3m=45
m=15
check:
3*(15-5) = 30 = 6*15-60