Question

For $7.90, you purchased 8 items (pens and highlighters) from a local bookstore. Each highlighter cost $1.09 and each pen cost $.68. Write a system of equations that can be used to find how many of each you bought.

A. 8p+8h=7.90 and 1.09+.68h=7.90

B. h+p=8 and .68h+ 1.09p=7.90

C. p+h=7.90 and .68p+1.09h=8

D. h+p= and 1.09h+.68=7.90

Answer 1

D, i believe it should be h+p=8 and 1.09h + 0.68p = 7.90

Explanation:

purchased 8 items in total; therefore, h+p=8

cost of each item, multiplied by quantity, equals grand total of $7.90