Question

a+b+c=286 a+b=226. c=b:3. a=?

Answer 1

a + b + c = 286

a + b = 226

c = b : 3

b = 3 × c

c = 286 - 226

c = 60

b = 3 × 60

b = 180

a = 226 - b

a = 226 - 180

a = 46

Answer 2

Răspuns:

c=286-266=20

c=b:3 => b=3c=3×60=180

a=226-180=46