Question 126904
A STUDENT WITH A 1.875 GPA HAS 24 CREDIT HOURS.  FIND HOW MANY CREDIT HOURS OF B's (AT 3 POINTS PER CREDIT HOUR) HE WILL NEED TO RAISE HIS GPA TO A 2.40.
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Let "x" be the number of B-credit hours he needs.
EQUATION:
(24*1.875+3x)/(24+x)=2.40
(45+3x)=57.6+2.4x
12.6 = 0.6x
x = 21
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Cheers,
Stan H.