Tucker has 5 pennies, 6 dimes, and 5 quarters. What is the ratio of pennies to total coins?

A. 5:6
B. 5:16
C. 10:16
D. 6:16

The total number of coins Tucker has is 5+6+5=16. The ratio of pennies to total coins is 5:16. Therefore, the answer is B. 5:16.