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18-12-2015
Mathematics

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120% of a number is 45 what is the number

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BreaNorm BreaNorm

18-12-2015

•Make it an equation out of it. 120÷100 will give you 1.2

•Make the unknown number x

1.2x = 45

•Divide each side by 1.2

x = 37.5

•Check the work.

1.2(37.5) = 45
45 = 45

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