Respuesta :

Answer:

20%

Step-by-step explanation:

80-60=20

Answer:

33 1/3 %

Step-by-step explanation:

To find the percent increase,

Take the new amount and subtract the original amount

80-60 = 20

Divide by the original amount

20/60 = 1/3

Then change to a percent

1/3 = .33333333 = 33 1/3 %