Tamika makes a 5.5% commission selling electronics. How much commission does she make if she sells a flat screen TV for $10,000
A. 9,450 B. 550 C. 55,000 D. 1,818.18

Question

Tamika makes a 5.5% commission selling electronics. How much commission does she make if she sells a flat screen TV for $10,000
  A. 9,450  B. 550   C. 55,000  D. 1,818.18

anonymous · Answer

5.5% as a decimal means you divide it by 100.
It's 0.055.

"of" just means multiply, so...

10000 * 0.055 = 550

B. 550

anonymous · Answer

Another way to look at this, since the cost is an even 10,000:  She makes 5.50 per hundred, so that would be 55 per thousand, and 550 for the 10,000 sale.