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A college student needs 11 classes that are worth a total of 40 credits in order to complete her degree. The college offers both 4-credit classes and 3-credit classes. How many …

A college student needs 11 classes that are worth a total of 40 credits in order to complete her degree. The college offers both 4-credit classes and 3-credit classes. How many …
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A college student needs 11 classes that are worth a total of 40 credits in order to complete her degree. The college offers both 4-credit classes and 3-credit classes. How many 4-credit classes does this college student need to complete her degree?

User Dan Mitchell
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7 4-credit classes. 4 3-credit classes.

7*4 = 28, and 4*3 = 12. 11 classes, and 40 credits.
User Toufiq
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