Respuesta :

qumpelka
savings: 35 $ 
now she has: 35 - 7 = 28 $

35 -> 100 %
28 -> x%

35 * x = 28 * 100
35x = 2800
x = 2800 / 35
x = 80

her current savings equals 80% of her previous balance.

Otras preguntas