Respuesta :
[tex]p\%=\frac{p}{100}\\\\20\%=\frac{20}{100}=0.2\\\\20\%\ of\ \£1.85\ is\ 0.2\ \times\ \£1.85=\£0.37[/tex]
£1.85 ________ 100 %
x ________ 20 %
100x = 20 . 1,85
100x = 37
x = 37 / 100
x = 0,37
is £0,37 !
x ________ 20 %
100x = 20 . 1,85
100x = 37
x = 37 / 100
x = 0,37
is £0,37 !