Răspunsuri

2014-09-11T17:57:34+03:00
40-32=8 lei -reducerea

p% din 40=8

p/100*40=8

p/100=8/40

p/100=1/5

p=100/5

p=20%
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2014-09-11T17:58:43+03:00
40-32=8 lei
40·x/100=8 lei
x/100=8/40
x/100=2/10
x=0,2·100
x=20 %
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