Question: john , james and jim ' investment ratio in a business is 4 : 7 : 9 . if total total investment is 80000 . find jim ' s investment ?
A) 35000
B) 40000
C) 16000
D) 36000
E) 60000
Correct answer: d
Grade: 7 | Topic: Ratios and proportions | Difficulty: Medium | Standard: 7.RP.A.3