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20-02-2017
Mathematics

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18 is 45% of what number? ____
Please help me I can't solve this

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queenzeeh queenzeeh

20-02-2017

18/x = 45/100

cross multiply

18/x * 45/100

45x =1800

divide both sides by 45

45x/45 =1800/45

x=40

18 is 45% of 40

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