SOLUTION: a is directly proportional to b if a=15 then b=9

Algebra ->  Proportions -> SOLUTION: a is directly proportional to b if a=15 then b=9      Log On


   

Question 914290: a is directly proportional to b if a=15 then b=9
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
a = kb
15 = k9
15/9 = 5/3 = k, the constant of the direct proportion