miaeooayoung miaeooayoung
  • 24-09-2017
  • Mathematics
contestada

One book cost £1.99 how much do four books cost

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texaschic101
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 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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