7.A major US city reports a 12% increase in decoration sales during the yearly holiday season. If decoration sales were 8 million in 1998, how much did the city report in total decoration sales by the end of 2004? i need to know if i would use the formual for an arithmetic sequence, arithmetic series, geometric sequence, or geometric series to solve this.

Question

7.A major US city reports a 12% increase in decoration sales during the yearly holiday season. If decoration sales were 8 million in 1998, how much did the city report in total decoration sales by the end of 2004?  i need to know if i would use the formual for an arithmetic sequence, arithmetic series, geometric sequence, or geometric series to solve this.

ganeshie8 · Answer

sales increase is reported in comparison with the previous year.
here 12% is getting added : do u see multiplication here ? 

it forms a "geometric sequence" and the common ratio is 12 %.