Three friends rented a limousine for their class dance. The company charged eighty-five dollars plus an additional thirty-five dollars dollars per hour. If they paid one hundred fifty-five dollars, how many hours did they use the limousine?

Question

Three friends rented a limousine for their class dance. The company charged eighty-five dollars  plus an additional thirty-five dollars  dollars per hour. If they paid one hundred fifty-five dollars, how many hours did they use the limousine?

campbell_st · Answer

so the equation is C = cost and t = times

C = 35t + 85

then you know C = 155 

155 = 35t + 85

you can now solve for t

anonymous · Answer

thank you @campbell_st