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120 Litres equals…

  • A

    32 USG

  • B

    30 USG

  • C

    28 USG

  • D

    35 USG

Refer to figure.
Using your flight computer, apply the following steps:

  • Identify the small red arrows on the outer and inner scales labeled "LITERS" and "US GAL".
  • Rotate the inner scale so the US GAL arrow aligns with the LITERS arrow on the outer scale.
  • Find 12 on the outer scale (representing 120 liters).
  • Read the value directly opposite on the inner scale, which is roughly 31.7 (representing 31.7 US gallons), closest answer 32 USG.

Alternatively:

1 US gallon (USG) equals to 3.785 litres.

Thus, 120 litres equals:

  • 120 litres / 3.785 = 31.7 USG, closest answer 32 USG

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