11. Mary lives in a town that has 3 school buildings, Each building has 90 large classtooms and 5 small dassrooms.
Which expression could Mary use to find out the total number of classrooms in the 3 school buildings?
A
(3 x 90) + (3 x 5)
B.
(3 + 90) + (3+5)
С
(90 x 3) + (90 x 5)
D
(90 +5) + (90+3)
6 7 8
9