Jika a/3=b/2=c/4 maka nilai dari c/a+b-c A. 4 B. 2 C. 1/2 D. 1/4 Pake cara ya.. Makasih

a/3+b/2+c/4
= 4a/12+6b/12+3c/12
1/a= 4/12 =1/3
a=3/1=3
1/b= 6/12 = 1/2
b=2/1=2
1/c=3/12=1/4
c=4/1=4

c/a+b-c =4/3+2-4
=4/1
=4 (A)