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ACT WorkKeys Sample Questions

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In initial production of a new video game, it is discovered that the ratio of functional games to defective games is 20 to 1. If 360 games are produced, how many could be expected to be defective?
  1. 12 games
  2. 15 games
  3. 16 games
  4. 18 games
  5. 20 games
Explanation
Answer: D - 18 games.

Set this problem up as a ratio: 1 out of every 20 (1/20) equal to x out of 360 (x/360). Cross-multiply to find that 18 games would be defective.

Key Takeaway: Become proficient at visualizing ratios, and setting up the cross-multiplication in Solving these relationships is singularly dependent upon setting the fractions up correctly, then doing the calculation accurately.
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