AMC 10A 2007 Problem 5

A school store sells 7 pencils and 8 notebooks for \$ 4.15. It also sells 5 pencils and 3 notebooks for \$ 1.77. How much do 16 pencils and 10 notebooks cost?

Answer Choices
A. \$ 4.76
B. \$ 5.84
C. \$ 6.00
D. \$ 6.16
E. \$ 6.32