Răspuns:
+10% -25%
x----------------> y------------->706,2 lei
-25%
y------------------>706,2 lei
100%-25%=706,2 lei
80%=706,2 lei
y . . . 100%
706,2 . . . 80%
[tex] \frac{y}{706.2} = \frac{100\%}{80\%} [/tex]
[tex]y = \frac{706.2 \times 100}{80} [/tex]
[tex]y = \frac{70620.0}{80} [/tex]
[tex]y = 882.75 \: \: \: lei[/tex]
10%
x---------------->882,75 lei
100%+10%=882,75 lei
110%=882,75 lei
x . . . 100%
882,75 . . . 110%
Formăm rapoarte
[tex] \frac{x}{882.75} = \frac{100}{10} [/tex]
[tex]x = \frac{882.75 \times 100}{110} [/tex]
[tex]x = \frac{88275}{110} [/tex]
[tex]x = 802.5 \: lei[/tex]
#Împreunăsuntembrainly
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