A brother and sister share some pocket money together in the ratio of 4:7. The brother receives £18 less than his sister. How much pocket money do the brother and sister get each?

The brother receives £18 less, meaning the sister receives £18 more than the brother.7 - 4= 3. This means that 3 parts of the ratio is equal to £18, therefore 1 part of the ratio is equal to £6.Brother gets: £6 x 4 = £24Sister gets: £6 x 7 = £42Check: 42 - 24 = 18

Answered by Jojo D. Maths tutor

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