super easy
Algebra
Level
1
if my school had 420 classes divided into 6 years and there was 8400 students how much classes and students are there per year?
60 classes 1200 students
70 classes and 1400 students
72 classes and 1440 students
65 classes 1300 students
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1 solution
420 can be simplified as 42 when so 42 classes divided by 6= 7 and then we put the 0 because it was removed before. so its 70 classes.
8400 can be simplified as 840 so it will be 840 divided by 6 = 140 then we must add the 0 that we removed to be 1400. so the final answer is 70 classes and 1400 students