Respuesta :

Answer:

42.35

Step-by-step explanation:

hope it helps po.

Answer:

The number is 140

Step-by-step explanation:

Let n be the unknown number

of means multiply, is means equals

55% * n = 77

Change to decimal form

.55n = 77

Divide by .55

.55n/.55 = 77/.55

n =140

The number is 140