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​Q20: Question – Paper 3– June 2017

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Content:

• ​Using Bounds – Part 1
• Using Bounds – Part 2​

Quizzes:

• Using Bounds

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Question

20)
​This sign shows when a lift is safe to use.

Ben and some other people are in the lift.
Their total mass is 525 kg to the nearest 5 kg

Ben gets out.
He has a mass of 78 kg to the nearest kg

Is the lift now safe to use?
You must show your working.

[4 marks]

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