Ratios, Rates, Proportional Relationships, and Units

SAT Math· difficulty 4/5

Sound travels 343343 m/s in air. How long for sound to travel 11 mile? (11 mile 1609\approx 1609 m)

  • A

    About 6.4 s

  • B

    About 5.7 s

  • C

    About 4.7 s

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  • D

    About 5.0 s

Explanation

1609/3434.691609/343 \approx 4.69 s.

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