Ken purchased school supplies.
Which equation could be used to solve for the cost, x, of the binders?
• He spent $32.88.
• He bought 4 packs of paper, markers, and pencils totaling $9.99.
• He also purchased 3 binders which each cost the same price.
A
4x + 9.99 = 32.88
(В)
3x - 9.99 -32.88
3x + 9.99 = 32.88
D
3x + 4x - 9.99 = 32.88