At Mountain Park Middle School, there are 250 seventh-grade students. Currently, 32% of those students are in advanced math.
a. Write an equation to represent the number of seventh-grade students who are not in advanced math. Let a represent the number of seventh-grade students who are not in advanced math.
a = ______% x _______
b. There _______ seventh-grade students who are not in advanced math.
[Fill in the Blanks]
