Rachel works at a store that sells clothing accessories. The supply function
for pairs of socks is P=Q-11, where Pis the price and Q is the quantity of
pairs of socks. If Rachel sells the pairs of socks for $5 apiece, how many
pairs of socks will the store make?
A.5 pairs of socks
B.11 pairs of socks
C.16 pairs of socks
D. 21 pairs of socks