Wendy is told ahead of time that she will need to purchase about 12 gallons of paint in order to cover the entire house.
a. write equivalent ratios to determine the amount of green and
white paint she will need to purchase.
b. if there are 4 quarts in 1 gallon, how many quarts of paint does
she need to purchase?

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?