SOLUTION: a student with a 1.875 gpa has 24 credit hours. find how many credit hours of b's (at 3 per credit hour) he will need to raise his gpa to a 2.40

Question 126555: a student with a 1.875 gpa has 24 credit hours. find how many credit hours of b's (at 3 per credit hour) he will need to raise his gpa to a 2.40
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
student with a 1.875 gpa has 24 credit hours. find how many credit hours of b's (at 3 per credit hour) he will need to raise his gpa to a 2.40
:
We can do it this way:
:
Let x = no. of credit hrs required at 3.0
:
= 2.4
= 2.4
Multiply both sides by (x+24)
45 + 3x = 2.4(x+24)
:
45 + 3x = 2.4x + 57.6
:
3x - 2.4x = 57.6 - 45
:
.6x = 12.6
x =
x = 21 credit hrs at 3.0
:
:
Check solution:
=
= 2.4

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