a. $190
b. c(20) represents the number of bracelets made. 20 is plugged in for b.
c. $350
d. c(100) represents the number of bracelets being made. 100 is plugged in for b.
e. $1,150
f. c(500) represents the number of bracelets being made. 500 is plugged in for b
g. He can make 150 bracelets.