Question 1065191
Her tuition is pretty low!  Lucky her.
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What is her total cost? 1200+300 = 1500
What percentage of 1500 is 300?  300/1500 = 0.20, or 20%
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Interesting fact: The lowest US tuition for an accredited state college is likely <a href=http://www.allencc.edu>Allen Community College</a> in Kansas.  Their online out-of-state costs are ~$125/semester unit which INCLUDES book rental.