Compound Measures: WJEC GCSE Intermediate June 2023 Unit 2 Q6

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Intermediate June 2023 Unit 2 Q6

WJECIntermediateCurrent spec3 marksCompound Measures

6. A journey of 45 miles is travelled in 1 hour 15 minutes.
Calculate the average speed of this journey.
Give your answer in mph. [3]

Mark scheme

Scheme	Marks	Comments
\(\dfrac{45}{1{\cdot}25}\) or equivalent	M2	May be seen in stages. Must be a complete and correct method e.g. \(\dfrac{45}{75}\) × 60 or \(\dfrac{45}{5}\) × 4 (working with 15 mins) Award M1 for sight of one of the following: \(\dfrac{45}{\text{1 hour 15 mins}}\) \(\dfrac{45}{1{\cdot}15}\) 39·13(0…) \(\dfrac{45}{75}\) 0·6
36 (mph)	A1	CAO.