HESI A2 Math Portion

A lab needs 200ml of a 5% salt solution. They only have a 10% solution. How much 10% solution and water should be mixed?

A. 100ml 10% solution, 100ml water B. 150ml 10% solution, 50ml water C. 160ml 10% solution, 40ml water D. 200ml 10% solution, 0ml water

A patient's oxygen flow rate is set at 4 liters per minute. How many cubic centimeters of oxygen are delivered per minute?

A. 400 cubic centimeters B. 4,000 cubic centimeters C. 40,000 cubic centimeters D. 400,000 cubic centimeters

Which numeric system was a base 20 system?

A. Mayan B. Babylonian C. Roman D. Arabic

How many liters are there in 500 milliliters?

A. 0.5 liters B. 5 liters C. 50 liters D. 500,000 liters

What is the result of dividing 152 by 2?

A. 0.0116 B. 0.116 C. 76 D. 11.6

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