Question

Write an algebraic expression for this situation:

45$ total is spent on pencils, calculators, and rulers. Pencils (p) cost $2, calculators (c) cost $25, and rulers (r) cost $4, each.​

Answer 1

Explanation:

Let p, c, and r stand for the numbers of pencils, calculators, and rulers.

$45 = $2p + $25c + $4r