Liczba x stanowi 80% liczby y. Jakim procentem liczby x jest liczba y
Pomóżcie prosze ;)
x= 80%y
120%x=y
x = 80%y
x =80/100y
x =4/5y
y = 5/4x
y =125%
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x= 80%y
120%x=y
x = 80%y
x =80/100y
x =4/5y
y = 5/4x
y =125%
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