SOLUTION: How do you solve this problem? is there a formula A student has completed 32 credits with a GPA of 2.65 how many credits must he now complete with a grade of 3.5 in order to raise

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Question 121009: How do you solve this problem? is there a formula A student has completed 32 credits with a GPA of 2.65 how many credits must he now complete with a grade of 3.5 in order to raise his GPA to 3.0 or higher it must be a whole number of credits.
This is what I have but I don't know if it is even set up correctly to answer the question
let c= additional credits GPA/credits 2.65 + 3.5/32c+c = 3.00
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
How do you solve this problem? is there a formula A student has completed 32 credits with a GPA of 2.65 how many credits must he now complete with a grade of 3.5 in order to raise his GPA to 3.0 or higher it must be a whole number of credits.
:
Perhaps we could just treat it like a mixture problem where;
x = the additional credits required
:
2.65(32) + 3.5x = 3.0(x+32)
:
84.8 + 3.5x = 3x + 96
:
3.5x - 3x = 96 - 84.8
:
.5x = 11.2
:
x = 11.2%2F.5
x = 22.4, but is must be an integer, 23 additional credits required
:
I may be all wet on this idea. Let me know if I have messed this up