Răspuns :
a) 80*75/100=6000/100=60
b) 10x/100=28
10x=2800
x=2800:10
x=280
c)20p/100=36
20p=3600
p=3600:20
p=180
b) 10x/100=28
10x=2800
x=2800:10
x=280
c)20p/100=36
20p=3600
p=3600:20
p=180
a) 80% din 75=75*80/100=60
b) 10% din x=28=> x*10/100=28=> x=28*100/10
x=280
c) p% din 20=36 => 20*p/100=36 => p=36*100/20
p= 180%
b) 10% din x=28=> x*10/100=28=> x=28*100/10
x=280
c) p% din 20=36 => 20*p/100=36 => p=36*100/20
p= 180%