10. Gretchen is starting an exercise program. The equation y=3(1.02) can be used to represent the number of miles, y, Gretchen has walked after x number of weeks. Based on this equation, which
statement best describes Gretchen's exercise program?

A. Gretchen walked 1 mile the week before she started the exercise program and then increases her
distance by 2% each week.

B. Gretchen walked 1.02 miles the week before she started the exercise program and then triples the
distance each week.

C. Gretchen walked 3 miles the week before she started the exercise program and then increases her
distance by 2% each week.

D. Gretchen walked 3 miles the week before she started the exercise program and then adds a
distance of 1.02 miles each week.