Oblicz liczbe wiedzac ze
12%liczby=40
20%liczby=300
12% * x = 40
0,12 * x = 40
x = 40 : 0,12
x = 4000 : 12
x = 4000/12 = 1000/3 = 333 i 1/3 ------ odpowiedź
20% * x = 300
0,2 * x = 300
x = 300 : 0,2
x = 3000 : 2
x = 1500 -------- odpowiedx
12%*x=40
x=40÷12%
x=333⅓
20%*x=300
x=300÷20%
x=1500
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12% * x = 40
0,12 * x = 40
x = 40 : 0,12
x = 4000 : 12
x = 4000/12 = 1000/3 = 333 i 1/3 ------ odpowiedź
20% * x = 300
0,2 * x = 300
x = 300 : 0,2
x = 3000 : 2
x = 1500 -------- odpowiedx
12%*x=40
x=40÷12%
x=333⅓
20%*x=300
x=300÷20%
x=1500