Step 1 Jennif er's salary = $12000 Step 2 It is given that David gets $ 8400 more per month than Jennifer, therefore David's salary = 12000 + 8400 = $20400 Step 3 The fraction of the salaries of Jennifer and David = 12000 = 10 204 00 17 Step 4 Therefore the ratio of the salaries of Jennifer and David = 10:17