Question

Sixty percent, or 12, of the students in Alex's class are going to the movies. 2/3, or 14, of the students in Mary's class are going to the movies. Which class has more students? Justify your answer using equations.

Answer 1

Mary's class.

Explanation:

One way to do this is to figure out how many students are in Alex's class and how many students are in Mary's class.

60% of Alex's class is 12 students

`(12*100)/(60)` =
`(1200)/(60)`= 20 students

`(2)/(3)` or 66.66% (repeating) of Mary's class is 14 students

`(14*100)/(66.66)` =
`(1400)/(66.66)` = 21 students

(^^66.66 repeating)

Mary's class has more students than Alex's class.