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5 votes
Increase £3.20 in the ratio 2:3
Please show your working out (/formulae).​

User Ketan
by
4.5k points

1 Answer

4 votes

Answer:

£4.80

Explanation:

Total amount = £3.20

Ratio = 2 : 3

Old : New = 2 : 3

3.20 : x = 2:3


(3.20)/(x)=(2)/(3)\\\\3.20*3=2*x\\\\(3.20*3)/(2)=x\\\\x = 1.60 *3\\

x = £ 4.80

User Irreal
by
4.6k points