Free GMAT Test Questions

Question 1 of 1
Section: Quantitative Reasoning - Problem Solving
Topics: Linear Equation; Possible Values
Difficulty level: Challenging

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A man wants to buy some pens and pencils. The number of pens, $p$, and the number of pencils, $c$, are related by the equation $4p+3c=111$. If the man spent $\$168$ to buy $p$ pens, where each pen costs an integer value between $\$6$ and $\$8$, inclusive, what could be the number of pencils that he bought?

A$1$ or $9$
B$3$ or $9$
C$4$ or $6$
D$4$ or $8$
E$5$ or $9$