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2. Assessment activity


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Last updated 26 October 2012 15:30 by NZTecAdmin

Jack works at the supermarket. His favourite summer job is to collect the trolleys from each cage and transport them to the front door for customers to use.

It is always a challenge to get the biggest chain of trolleys he can.

Being a numerate supermarket worker Jack does a bit of measuring.

Here are his results:

Number of trolleys

Length of chain (metres)

8 3.30
1 1.20
11 4.20

Questions

  1. If Jack had a chain of 20 trolleys how long would the chain be?
  2. If Jack had a chain that was 5.70 metres long, how many trolleys would that be?
  3. What is the formula for calculating the length of a chain of n trolleys?

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