I need help please!!

With #! i’ve tried to figure it out but i can’t.

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Find an equation for the linear function which has slope -10 and x-intercept -7