The cost of a pen is three times the cost of a pencil. The cost of 4 pencils and 3 pens is $9.75 what is the cost of a pencil

Answer 1

Cost of pen = 3p

let p = cost of pencil

4p +3(3p) = 9.75

4p + 9p = 9.75

13p = 9.75

divide both sides by 13

p = .75