Question

The above bar graph represents % daily prescribed intake of calcium of five different multivitamins per pill. A and D are sold in bottles of $75$ pills and cost $\$12$ and $\$18$, respectively. B, C, and E are sold in bottles of $50$ pills and cost $\$9.50,\$10.25$, and $\$15.50$, respectively. Find the greatest percentage of the daily-recommended intake of calcium per dollar.

• A. A
• B. B
• C. C
• D. E

Answer 1

Answer: (C)

C

For option A: $\frac{75}{12}\times \frac{28}{100}=1.75$%
For option B: $\frac{50}{9.50}\times \frac{40}{100}=2.1$%
For option C: $\frac{50}{10.25}\times \frac{52}{100}=2.53$%
For option E: $\frac{50}{15.50}\times \frac{76}{100}=2.45$%
Therefore, the greatest percentage of the daily-recommended intake calcium per dollar is C.