Question

1.tentukan nilai A dan B
A.a :b = 3 dan a = b =150
B.a : b = 3 dan a + b = 35
C.25 : 125 = a : b dan a + b = 6

Answer 1

B. a + b = 35.....b = 35 -a
    a : (35 -a) = 3
    a = 105 - 3a
     4a = 105...a=26,25...b =8,75

C. a = 125 : 25 = 5
     a + b = 6.....b = 1