Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

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Word Problem  10% off a CD. I paid $18. What was orig price of cd?I know this is really simple, but I am drawing a complete blank. Thanks! Pages: 1 