Question

AYUDAAAA PORFA..........

Answer 1

Explicación paso a paso:

217 = abbc(5)

217 = 125a + 30b + c

217 = 125(1) + 30b +c

217 = 125 + 30b + c

92 = 30b + c

92 = 30(3) + c

c = 2

Entonces :

a = 1

b = 3

c = 2

Piden :

a + b + c = 6