Oblicz: a) 75% z 160 zł b) 12% z 500t
a)
100% - 160
75% - x
10% = 16
5% = 8
16x7=112
112+8=120
75%=120 zł
b)
100 % = 500 t
12% = x
10% = 50
2%= 10
12%=60 t
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a)
100% - 160
75% - x
10% = 16
5% = 8
16x7=112
112+8=120
75%=120 zł
b)
100 % = 500 t
12% = x
10% = 50
2%= 10
12%=60 t
x - 75%
100x=160*75 %
x= 13400/100
x= 134 zl
500- 100%
x- 12%
100x=500*12
x=6000/100
x=60t