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A CD case is 0.375 in. thick. You are building a shelf 36 in. long. How many CD cases can you fit on the shelf?
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A CD case is 0.375 in. thick. You are building a shelf 36 in. long. How many CD cases can you fit on the shelf?

User Jpf
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4 votes
The answer would be 96 cases because you would have 0.375X=36 if you know algebra.
Since you can't multiply by X you have to find X, so you do 36/0.375=96.
Now since you know X you can go back to your problem...
0.375X=36
Plug in for X
0.375x96=36
User Arun Bertil
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