Convert 6 1/4 pounds to ounces.

a. 25/64
b. 100
c. 125
d. 1,250

I am only faintly familiar with the archaic system of pounds and ounces, but

I believe there are 16 ounces in a pound, so

6 1/4 * 16
= 25/4 * 16 = 100

c. 125