John, James and Jim' investment ratio in a business is 4:7:9. If total total investment is 80000. Find Jim's investment?	Select the correct option: A) 35000 B) 40000 C) 16000 D) 36000 E) 60000

Rationale: let the investment of john james and jim is 4 x 7 x and 9 x 4 x + 7 x + 9 x = 80000 20 x = 80000 x = 4000 jim ' investment = 9 * 4000 = 36000 answer : d
Answer: D