© Sammy charges $21.75 for 3
hours of babysitting. The equation
y = 8x models the amount Claire
charges for x hours of
babysitting. Who charges less for
5 hours of babysitting and by how
much?

A. Sammy charges less by $0.75
B. Claire charges less by $0.75
C. Sammy charges less by $3.75
D. Claire charges less by $3.75