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y-VIIIb
0,5x- 50% VIIIa
0,75y- 75% VIIIb
x+y=70 /-y
0,5x+0,75y=44
x=70-y
0,5×(70-y) + 0,75y=44
x=70-y
35-0,5y+0,75y=44 /-35
x=70-y
0,25y=9 /×4
x=70-y
y=36
x=70-36
y=36
x=34
y=36
y-klasa vIIIb
x+y=70
0.5x+0.75y =44
x=70-y
0.5(70-y)+0,75y=44
35-0,5y+0.75y=44
0.25y=9
y=36
x=70-36
x=34