Answer: 51.2
Explanation:
If you want to find a part out of a number, you use the equation:
Part = Percent x whole
For this equation, you can do 64/100 x 80, because 64% is equal to 64/100
64/100 x 80 = 51.2
In conclusion, 64% of 80 is 51.2.
Hope this helps!