miaeooayoung miaeooayoung

24-09-2017
Mathematics

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One book cost £1.99 how much do four books cost

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texaschic101 texaschic101

24-09-2017

if 1 book costs 1.99.....then 4 books cost : (4 * 1.99) = $ 7.96 <==

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WeatheringWithYou WeatheringWithYou

24-09-2017

[tex]1.99(4) = 4(2-0.01)[/tex]
[tex]4(2-0.01) = 8 - 0.04 = 7.96[/tex]

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