Susan investment = $6000
John investement = $4000
Pria investment = $12000
investment proportion of Susan, John and Pria = 6:4:12= 3:2:6
Hence, Pria share in profit = (6/11)*$12000
= $ 6,545.454
let the first term is 
by the sum of first n term formula

substitute to sum of first 30 term

<span>57.1428571429% (without rounding it of)
with rounding it of- 58% as the last no. is 9 </span>
Answer:
i feel like i kinda know it but not at the same time lol!!
Step-by-step explanation: