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vovangra [49]
3 years ago
13

The average class size at Belmont Middle School is 30 students, which is 25% larger than it was a decade ago. What was the avera

ge class size then?
Mathematics
1 answer:
sergeinik [125]3 years ago
3 0
So what you do is do 25% of 30. Then you divide 25 by 100 so it can be a number. It would be 0.25. Then you time it by 30. 0.25x30=7.5. Ur done there then you minus it by the original number. 30-7.5=22.5. I HOPED I HELPED!!!!
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