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2 bochenek: y
x + y = 1,5
x/y = 8/7
x = 1,5 - y
7x = 8y
7 * (1,5 - y) = 8y
10,5 - 7y = 8y
10,5 = 15y /: 15
y = 0,7
x = 1,5 - 0,7
x = 0,8
Jeden bochenek waży 0,8 kg, a drugi 0,7 kg.
8/7
x/y=8/7
x=1,5-y
1,5-y/y=8/7
x+ y = 1,5
x/y = 8/7
7x=8y
7 * (1,5 - y) = 8y
10,5 - 7y = 8y
10,5 = 15y /15
y = 0,7
x = 1,5 - 0,7
x = 0,8
1,5kg / 15 = 0,1
8*0,1=0,8kg
7*0,1=0,7kg