A coin collection was worth $⁢845 three years ago and is now worth $⁢1,248 What is the percent increase in its value?

The value increased by $1,248 − $845 = $403. Divide the increase by the original value and multiply by 100: ($403 ÷ $845) × 100 ≈ 47.7%, so the percent increase is 47.7 percent.

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