Rectangle ABCD is dilated to create image A'B'C'D'. What is the center of the dilation?

Roger gets \$40 per day as wages and $4.50 as commission for every pair of shoes he sells in a day. his daily earnings goal is $112 write an equation to determine how many pairs of shoes, p, roger must sell in a day to meet his daily earnings goal. find the number of pairs of shoes he must sell to meet his daily earnings goal.