oblicz ile procent liczby k stanowi liczba n gdy
a)k=45 n=180
b) k=2,4 n=12
c) k=250 n=1,1
d) k=320 n=1,6
e) k=1650 n=15
f) k=0,2 n=3,6
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a)k=45 n=180
180/45*100%=400%
b) k=2,4 n=12
12/2,4*100%=500%
c) k=250 n=1,1
1,1/250*100%=0,44%
d) k=320 n=1,6
1,6/320*100%=0,5%
e) k=1650 n=15
15/1650*100%=0,(90)%
f) k=0,2 n=3,6
3,6/0,2*100%=1800%
a)k=45 n=180
45------100%
180------x%
x=180*100:45=400%
b) k=2,4 n=12
2,4------------100%
12-----------x%
x=12*100:2,4=500%
c) k=250 n=1,1
250--------------100%
1,1--------------x%
x=1,1*100:250=0,44%
d) k=320 n=1,6
320----------------100%
1,6------------------x%
x=1,6*100:320=0,5%
e) k=1650 n=15
1650---------100%
15-----------x%
x=15*100:1650=%
f) k=0,2 n=3,6
0,2-----------100%
3,6-----------x%
x=3,6*100:0,2=1800%