You have 16 stamps. Some are postcard stamps that cost $0.23, and the rest cost $0.41. If you spend a total of $5.30 on the stamps, how many postcard stamps do you have?

A.) 7

B.) 8

C.) 9

D.) 10

E.) cannot be determined

A.) 7

B.) 8

C.) 9

D.) 10

E.) cannot be determined