Ratios, Rates, Proportional Relationships, and Units

SAT Math· difficulty 5/5

A flow rate is 55 ft3^3/min. Express this in gal/hour. (11 ft37.48^3 \approx 7.48 gal)

  • A

    About 1{,}680 gal/hr

  • B

    About 2{,}500 gal/hr

  • C

    About 2{,}244 gal/hr

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  • D

    About 1{,}944 gal/hr

Explanation

57.4860=22445 \cdot 7.48 \cdot 60 = 2244 gal/hr.

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