Question

buat caranya gw krg ngerti soalnya​

Answer 1

♛AlfiAp♛

Diketahui:

Umur ibu = x

Umur Ana = y

Penyelesaian:

x = 3y

6 + y = 1/2 x

Subtitusi nilai x

6 + y = 1/2 (3y)

6 + y = 3/2y

6 = 3/2y - y

6 = 1/2y

y = 1/2 - 6

y = 5,5

2(y)

= 2(5,5)

= 11

B. 11

.