Question

Jika u : v : w = 2:3:4 dan W=72,maka nilai U+V=.......dan nilai W-V= ...........
mohon dijawab

Answer 1

Dik; u:v:w=2:3:4    w=72
Dit; u+v=.....  dan w-v=.....
Jwb; 
v=(72:4)x3=54
u=(72:4)x2=36
maka,
u+v=36+54=90
w-v=72-54=18