Mathematics, 11.07.2019 15:10, raiapowell

Year costs (£)
year one 1.4 million
year two 1.6 million
year three 1.8 million
year four 2.5 million
year five 1.7 million
what is the mean amount of costs?

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Year costs (£)
year one 1.4 million
year two 1.6 million
year three 1.8 million