Odpowiedź:
a)
100%-120
75%-x
x=120*75/100=90
b)
100%-500
30%-x
x=500*30/100=150
c)
100%-300
40%-x
x=300*40/100=120
d)
100%-3.5
200%-x
x=3.5*200/100=7
myślę, że dobrze :) x
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Odpowiedź:
a)
100%-120
75%-x
x=120*75/100=90
b)
100%-500
30%-x
x=500*30/100=150
c)
100%-300
40%-x
x=300*40/100=120
d)
100%-3.5
200%-x
x=3.5*200/100=7
myślę, że dobrze :) x