Respuesta :

Answer:

100%

Step-by-step explanation:

Assume the fraction is X/Y.

Increase the numerator by 60%:  1.6X

Decrease the denominator by 20%:  0.8Y

New value:  1.6X/0.8Y

That is equal to 2(X/Y)

The fraction increases by 100%  [X/Y to s(X/Y)]