Răspuns :
Răspuns:
Explicație pas cu pas:
v + p + g + r = 70
4v + 4p + 2g + 2r = 160
v = 3p/7
r = g/4
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3p/7 + p + g + g/4 = 70
3p/7 + 7p/7 + 4g/4 + g/4 = 70
10p/7 + 5g/4 = 70
40p/28 + 35g/28 = 70
40p + 35g = 1960
8p + 7g = 392
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4v + 4p + 2g + 2r = 160
12p/7 + 4p + 2g + 2g/4 = 160
12p/7 + 28p/7 + 8g/4 + 2g/4 = 160
40p/7 + 10g/4 = 160
40p/7 + 5g/2 = 160
80p/14 + 35g/14 = 160
80p + 35g = 2240
16p + 7g = 448
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8p + 7g = 392
16p + 7g = 448
8p = 448 - 392 = 56
p = 56 : 8 = 7 porci
7g = 392 - 8p = 392 - 56 = 336
g = 336 : 7 = 48 gâşte
v = 3p/7 = 3*7/7 = 3 vaci
r = g/4 = 48/4 = 12 raţe
animale 7 + 3 = 10
pasari 48 + 12 = 60