Mrs. Barton has a budget of $50 to purchase notebooks for her students. Composition notebooks cost $0.50 each, and spiral notebooks cost $1.25 each.

Complete the paragraph.
If c represents the number of composition notebooks Mrs. Barton purchases and s represents the number of spiral notebooks she purchases, this situation can be described by the inequality
. If Mrs. Barton purchases an equal number of composition notebooks and spiral notebooks, she can purchase up to
of each.

0.50c + 1.25s ≤ 50

If Mrs. Barton purchases an equal number of composition notebooks and spiral notebooks, she can purchase up to 20 of each.