Posted by **Leon** on Thursday, January 13, 2011 at 4:34pm.

you have 50 students one day and 70 the next what is the percentage increase

- percentage -
**Enviromental Problems**, Thursday, January 13, 2011 at 4:36pm
I think it is 20%. Because a each tenth is 10% and 70-50 equals a 20% increase. so i'm sure its 20%

- percentage -
**Ms. Sue**, Thursday, January 13, 2011 at 4:39pm
Sorry, but Environmental is wrong.

70-50 = 20 student increase

20/50 = 0.4 = 40% increase

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