Use the equation z = n - 7 to find the value of z when n
9.
Z =

Pls! does anybody know a shortcut for answering these types of questions in the future?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Can someone me and plz do the problem