Six staff members carved pumpkins for a school contest. the carved pumpkins were auctioned at the event and in total, they raised $180 for the school! the final bid on dr. tracy's pumpkin was $10 more than the final bid on mr. nelson's pumpkin. mr. nelson's, mrs. ennis', and mr. pizzica's pumpkins each earned the same amount. ms. scelfo's and mr. hartshorn's pumpkins each brought in the same amount of money as dr. tracy's. what were the final bids on the individual pumpkins carved by each of the six people?