Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost$2.50 each. She spent a total of $50. Write and graph a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

Question

Jared Shepard

Mathematics

2 March, 11:25

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost$2.50 each. She spent a total of $50. Write and graph a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

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Answers (1)

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Holly Turner · Answer 1

18*2.50=45

50-45=5

highlighters cost $3 so she only bought 1 highlighter.

5-3=2

45+3=48

(18*2.50) + (1*3) = $48

(The last 2 dollars are probably tax)