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Numeracy Foundation June 2018 Unit 1 Q7

WJECFoundationCurrent spec3 marksDrawing & Using GraphsRatio & Basic Proportion

7. Maxim is doing a project on shipping.
He draws and uses his own conversion graph to convert between nautical miles and miles.

Conversion graph: Nautical miles on the horizontal axis from 0 to 300, Miles on the vertical axis with marks at 0, 115, 230 and 345; a straight line through the origin with points plotted every 50 nautical miles, passing through (100, 115), (200, 230) and (300, 345)
(a) What is 50 nautical miles converted into miles?
Circle your answer. [1]

55     56·5     57·5     58·5     59·5

(b) Complete the following statement.

800 nautical miles is equal to …………… miles. [2]

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