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A girl spent 20% of her pocket money on books she was left with 7200 Naira how much is her pocket money
3 years ago

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Bosnian
m = her pocket money

A girl spent 20% of her pocket money on books means:

She spent on books

20% m = 20 / 100 m = 0.2 m

Rest is:

m - 0.2 m = 0.8 m

She was left with 7200 means:

0.8 m = 7200

m = 7200 / 0.8 = 9000



3 years ago

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