# MATHEMATICS PRACTICE PROBLEMS

**Tutor description**

1. The diameter of a sphere is equal to the base diameter of a right circular cone. What percentage of that diameter must the cone’s height be so that the volume of both solids is equal? (4/81) a) 100% b) 200% c) 300% d) 250% 2. A tank contains 100 gallons of brine made by dissolving 60 pounds of salt in water. Salt water containing one pound of salt per gallon runs in at the rate of two gallons per minute

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