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Back to OCR Maths Foundation June 2018 Paper 3 Home
​Q22: Answers – Paper 3 – June 2018

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Working
Earth and Pluto go around the Sun.
​Their distance to the Sun varies.
Picture
The table shows the closest distance that Earth and Pluto get to the Sun.
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​(a) Show that the closest distance of Pluto to the Sun is roughly 30 times the closest distance of Earth to the Sun.
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There is no working for part b!

Question
22) Earth and Pluto go around the Sun.
​Their distance to the Sun varies.
Picture
The table shows the closest distance that Earth and Pluto get to the Sun.
Picture
​(a) Show that the closest distance of Pluto to the Sun is roughly 30 times the closest distance of Earth to the Sun.
[2 marks]​

b) Give a reason why we cannot use this information to say 
"The distance of Pluto to the Sun is always 30 times the distance of Earth to the Sun."
[1 mark]​
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