idkmaths idkmaths

20-03-2021
Mathematics

contestada

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

Respuesta :

devishri1977 devishri1977

20-03-2021

Answer:

£4.80

Step-by-step explanation:

Total amount = £3.20

Ratio = 2 : 3

Old : New = 2 : 3

3.20 : x = 2:3

[tex]\frac{3.20}{x}=\frac{2}{3}\\\\3.20*3=2*x\\\\\frac{3.20*3}{2}=x\\\\x = 1.60 *3\\[/tex]

x = £ 4.80

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