Answer :
20
1) Let's find out how much 80% is by writing an equation
80% = 0.8 The same thing 80/100 = 0.8
2) Let's write, an x for the number we want to find out
0.8x = 16 Divide both sides by 0.8
x =16/0.8
x =20
3) Hence, 80% of 20 games is 16 games