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11-09-2016
Mathematics

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Mary and Bob share £80 in the ratio 1:9. Work out how much each person gets. Show your working.

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apologiabiology apologiabiology

12-09-2016

1+9=10
10 units
80=10 units
divide by 10 both sides
8=1 unit

1=8
9=8*9=72

mary gets 8 and bob gets 72 or other way around

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