a five% sales tax on a computer amounted to 106.25.Find the cost of the computer

Question

math problem

Answer 1

$106.25 is 5% of the sale price P.  Total cost is 

 

C = P + 0.05P = 1.05P

 

0.05P = 106.25

 

P = 106.25/0.05 = 2125

 

C = 1.05(2125) = $2231.25