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

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

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12 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

Arbel answered Nov 20, 2022

by Arbel

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