a)86/215 ·100%=0,4·100%=40%
b)129/215·100%=0,6·100%=60%
c)270,9/215·100%=1,26·100%=126%
za pomocą proporcjii
a)215---100%
86---x%
100%*86 8600
---------- = ----- = 40%
215 215
b)215---100%
129---x%
100*129 12900
---------= -------- = 60%
c)215---100%
270,9---x%
100*270,9 27090
----------- = ------- = 126%
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a)86/215 ·100%=0,4·100%=40%
b)129/215·100%=0,6·100%=60%
c)270,9/215·100%=1,26·100%=126%
za pomocą proporcjii
a)215---100%
86---x%
100%*86 8600
---------- = ----- = 40%
215 215
b)215---100%
129---x%
100*129 12900
---------= -------- = 60%
215 215
c)215---100%
270,9---x%
100*270,9 27090
----------- = ------- = 126%
215 215