Answer :
The total number of CDs each case hold is 42CDs
Let the number of CDS in full cases be "x"
- If Abu has 2 full cases of cds and 18 loose cds, this is expressed as 2x + 18
- If Sola has 3 full cases of cds and 6 loose cases of cds, this is expressed as 3x + 6
If Abu and sola have the same number of cds, hence;
2x + 18 = 3x + 6
Collect the like terms:
2x - 3x = 6 - 18
-x = -12
x = 12
Number of CDs Abu case hold = 2x + 18
Number of CDs Abu case hold = 2(12) + 18
Number of CDs Abu case hold = 24 + 18
Number of CDs Abu case hold = 42 CDs
Hence the total number of CDs each case hold is 42CDs
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