Ron is selling items at a craft show. The first hour his sales are $20. His sales grow by 10% each hour. What are Ron's total sales for the first 5 hour?
A. $101.00
B. $102.02
C. $122.10

Question

Ron is selling items at a craft show. The first hour his sales are $20. His sales grow by 10% each hour. What are Ron's total sales for the first 5 hour?
A. $101.00
B. $102.02
C. $122.10

anonymous · Answer

The answer is C. 
1h: 20 (10%= 2) 
2h: 20 + 2 = 22 (10%= 2.2)
3h: 22 + 2.2 = 24.2 (10%= 2.42)
4h: 24.2 + 2.42 = 26.62 (10% = 2.66) 
5h: 26.62 + 2.66 = 29. 28. 

1h + 2h+ 3h+ 4h+ 5h= $122.10. 

I hope I could help, let me know if I was right, please. :)