I need help on how to do this problem please

the formula y= -0.7x + 37 models the percentage of me,y, smoking cigarettes x years after 1980

the percentage of men who smoked in 1994 is???
how do I do this problem??

You take the difference between the two years, 1994-1980 in order to find x. Then plug that number in for x and work out the problem.