Prosze bardzo o pomoc..Będzie naj..
Oblicz, jaki procent liczby B stanowi liczba A .
a) A=15 , B=20
b) A=48 , B=64
c) A=40 , B=64
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a) 20 - 100%
15 - x
x= 15*100/20= 1500/20= 75 %
b) 64- 100%
48- x
x= 48*100/64= 75 %
c) 64- 100%
40 - x
x= 40*100/64=62.5 %
zad.1
a)15/20*100/1%=1500/20%=75%
b)48/64*100/1%=4800/64%=75%
c)40/64*100/1%=4000/64%=62,5%
Liczę na naj!