a) 40% to 88 dag
100%-x
----------------
40x=8800
x= 220 dag
b) 3% to 2,4 kg
------------
3x= 240
x=80 kg
c)150% to 450
-------------
15x=45000
x= 3000
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a) 40% to 88 dag
100%-x
----------------
40x=8800
x= 220 dag
b) 3% to 2,4 kg
100%-x
------------
3x= 240
x=80 kg
c)150% to 450
100%-x
-------------
15x=45000
x= 3000
licze na naj