Respuesta :

65%  = 100%
-----   x  ------
 x           80
when you cross multiply 65 and 80 then divide by 100 you get 52 which is 65% of 80

First you have to turn 65% into a decimal.

100/65=0.65

Then multiply 80 by 0.65.

80x0.65=52

So 52 is 65% of 80.