The average class size of Newton middle school is 21.
What is the percentage?
The percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.
Given that a decade ago, the average class size at Newton Middle School was 30 students. Now it is 30% smaller.
The average class size will be calculated as,
Average class size = 30 x (70%)
Average class size = 30 x 0.7
Average class size = 21
Therefore, the average class size at Newton middle school is 21.
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