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Lucamarian
a fost răspuns

40 pe 100 ori x =500 x=?

Răspuns :

HyperCoder
[tex] \frac{40}{100}x=500 [/tex]
[tex] \frac{40x}{100}= \frac{500}{1} [/tex]
[tex]40x = 500*100[/tex]
[tex]40x = 50000[/tex]
[tex]=>x= \frac{50000}{40} [/tex]
[tex]=>x=1250[/tex]


Falcuta205
(40/100)*x=500
[(40/20)/(100/20)]*x=500
(2/5)*x=500
(2/5)*(5x/5)=500
(2*5x)/(5*5)=500
10x/25=500
10x=500*25
10x=12500
x=12500/10
x=1250