math
posted by pam on .
As a fundraiser a school club is sellin posters. The printer charges a $24 set up fee plus $o.20 for each poster. Then the cost y in dollars to print is given by the linear equation y=0.20x+24
A. The printing of 50 posters cost?
The printing cost of 100 posters cost?
B. Find the number of posters x if the printer billed the club of $62.00
The number of posters for $62.00 is

A. Substitute the numbers for x and calculate for y.
B. Substitute the $62 for y and solve for x.