Question

80-15%, vreau rezolvarea s-o vad dau 10 puncte urgent

Answer 1

80-15%=80-15/100
Simplificam fractia 15/100 cu 5
=80-3/20
Amplificam pe 80 cu 20
=1600/20-3/20
=1597/20

Answer 2

80-15%=
=(8000-15)/100
=7985/100
=1597/20
=79.85