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Algebra
Pregunta

A college student completed some courses worth \( ...

A college student completed some courses worth \( 3 \) credits and some courses worth \( 4 \) credits The student earned a total of \( 59 \) credits after completing \( 18 \) courses. How many courses worth \( 3 \) credits did the student complete? A \( 13 \) B \( 5 \) C \( 20 \) D \( 39\) 

Answer

Solución
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