Velma and Bruce combined their model buildings to make one building. How can they change each buliding part to make the parts equal in volume? Explain your reasoning.

An animal shelter has fixed weekly expenses of $750. each animal is the shelter costs an additional $6 a week. during the summer months, the weekly expenses are at least $1170. write and solve an inequality that represents the number of animals at the shelter for expenses to be at least $1170 a week.