Tim mows neighborhood lawns for extra money. suppose that he would be willing to mow one lawn for $1010, a second lawn for $1818, and a third lawn for $2020. also suppose that three neighbors are interested in having their lawns mowed. mrs. jones would be willing to pay $ to have her lawn mowed, mr. wilson would be willing to pay $2828, and ms. smith would be willing to pay $2020.