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ajutați-mă va rog dau coronita

Ajutațimă Va Rog Dau Coronita class=

Răspuns :

a)36x100:120=30%
b)50x100:1000=5%
c)20x100:400=5%
d)50x100:500=10%
[tex]a)~\frac{p}{100}*120=36[/tex]
[tex]\frac{36*100}{120}=\frac{3600}{120}=[/tex]30%

[tex]b)~\frac{p}{100}*1000=50[/tex]
[tex]\frac{50*100}{1000}=\frac{5000}{1000}=[/tex]5%

[tex]c)~\frac{p}{100}*400=20[/tex]
[tex]\frac{20*100}{400}=\frac{2000}{400}=[/tex]5%

[tex]d)~\frac{p}{100}*500=50[/tex]
[tex]\frac{50*100}{500}=[/tex]10%