Question

Minta tolong dibantu ya... trims. ..

Answer 1

A = D/E
D = X/B
E = X/C

A = X/B . C/X
A = C / B = D/E

5/4 = A = C/B = D/E

D = X/B
5 = X / 52
260 = X

E = X/C
4 = X / 65
260 = X

X = 260

:)