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II bok - 3x
2(x+3x) = 96,08 |:2
x+3x = 48,04
4x = 48,04 |:4
x = 12,01
I bok - 12,01 dm
II bok - 3*12,01dm = 36,03dm
obw = 96,08dm
a =?
b = 3a
96,08 = 2a+2*3a
96,08 = 8a
a = 12,01 dm
b = 3*12,01dm = 36,03dm
spr -obw = 2*12,01 +2 * 36,03 =24,02 +72,06 = 96,08
3x - bok b
ob = 2a + 2b
2x + 2(3x) = 96,08dm
2x + 6x = 96,08dm
8x = 96,08dm
x = 12,01
jeden bok ma 12,1 dm a drugi (3*12,01) ma 36,03