Mrs. Mack teaches three art classes, and there are 30 students in each class. She has a supply of 150 sheets of paper. For an upcoming project each student will use one sheet of paper. What fraction of the paper will be used by all three classes?

90/150

3/5

Step-by-step explanation:

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

the answer is 54 sq. ft. i just did this question, on odyssey ware, and it was right. make brainliest.