A bridge is 28 meters long. Find the length of a scale model if the scale is 1 cm = 5.5 meters. Round to the nearest tenth.

The scale says 1 cm represents 5.5 meters, so divide the bridge’s actual length by 5.5: 28 ÷ 5.5 ≈ 5.09 cm. Rounded to the nearest tenth, the model should be 5.1 cm, which is choice a.

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