Respuesta :

30 + 20 + 30 + 20 = 100


30 x 10% = 3 + 30 = 33

20 x 5% = 1 + 20 = 21

33 + 21 + 33 + 21 = 108


100 / 108 = 0.925925926 = 0.93 = 93%

100% - 93% = 7%

7% increase