Exam-Style Question on Approximation
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 476. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.
The Glacier Ski Resort has this sign showing the safety limit for each cable car:
Eddie and some other people are in one of the cable cars. Their total mass is 570 kg to the nearest 5 kg
Eddie gets out. He has a mass of 74 kg to the nearest kg.
Is the cable car now safe to use? You must show your working.
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If you need more practice try the self-checking interactive exercises called Upper and Lower Bounds.
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