Last year a ticket provider sold 1350 lawn seats for a concert at $70 per ticket. this year the store is considering increasing the price they estimate that for each $2 increase they will sell 30 fewer tickets how much should the ticket provider charge in order to maximize profit ?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?