GAUSS8 2005 Problem 16

A student may pay \$1.50 for a single bus ticket or \$5.75 for a package of 5 tickets. If a student requires 40 tickets, how much does she save by buying all of the tickets in packages of 5 rather than buying 40 single tickets?

Answer Choices
A. \$54.25
B. \$3400
C. \$1400
D. \$8.25
E. \$4.25