Question

Is certain that every time she parks in the municipal garage it costs her at least $ 2.50$2.50. if the garage charges 4040cents¢ plus 3030cents¢ for each half​ hour, how long is maxiemaxie​'s car​ parked?

Answer 1

EQUATION: 
.4 + .3h = 2.5            Subtract .4 from each side 
.3h = 2.1                   Divide each side by .3
h = 7

Her car was parked for 7 hours 
Hope this helped!