HESI Mathematics

HESI Mathematics Related

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A dairy farmer wants to measure the milk production of his cows. He determines that the herd has produced a total of 250 gallons of milk this morning. How many quarts is this? (Enter numeric value only.)

  • A. 500
  • B. 750
  • C. 1000
  • D. 1250
Correct Answer: C

Rationale: The correct answer is C: 1000 quarts. To convert gallons to quarts, you need to know that 1 gallon is equal to 4 quarts. Therefore, to convert 250 gallons to quarts, you would multiply 250 by 4, which equals 1000 quarts. Choice A (500 quarts), B (750 quarts), and D (1250 quarts) are incorrect because they do not correctly convert the given amount of gallons to quarts. Be sure to always remember the conversion factor of 1 gallon to 4 quarts when solving such conversion problems.

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Karen goes to the grocery store with $40. She buys a carton of milk for $1.85, a loaf of bread for $3.20, and a bunch of bananas for $3.05. How much money does she have left?

  • A. $31.90
  • B. $31.90
  • C. $32.10
  • D. $34.95
Correct Answer: B

Rationale: To determine how much money Karen has left, we need to subtract the total cost of her purchases from the amount she started with. The total cost of her purchases is calculated by adding the prices of the carton of milk, loaf of bread, and bunch of bananas: $1.85 + $3.20 + $3.05 = $8.10. By subtracting $8.10 from the $40 Karen started with, we get $31.90. Therefore, Karen has $31.90 left after buying the items.

Solve for y if y = 3: 4y + 21/y

  • A. 7.7
  • B. 23/3
  • C. 19
  • D. 11
Correct Answer: C

Rationale: To find the value of the expression when y = 3, substitute y = 3 into the expression: 4(3) + 21/3. This simplifies to 12 + 7 = 19. Therefore, the correct answer is C, which is 19.

How many pints are in 80 ounces?

  • A. 1,280 pints
  • B. 16 pints
  • C. 15 pints
  • D. 5 pints
Correct Answer: D

Rationale: To determine how many pints are in 80 ounces, we use the conversion that 1 pint is equal to 16 ounces. Therefore, 80 ounces divided by 16 ounces per pint equals 5 pints (80/16 = 5). Choice D, 5 pints, is the correct answer. Choice A is incorrect as it miscalculates by multiplying 80 by 16 instead of dividing. Choices B and C are incorrect as they do not use the correct conversion factor of 16 ounces per pint. Thus, the correct answer is D, 5 pints, as it accurately applies the conversion factor to solve the problem.

Subtract: 15.7 - 9.8 =

  • A. 6.1
  • B. 8.96
  • C. 5.9
  • D. 4.3
Correct Answer: C

Rationale: To subtract two decimal numbers, align the decimal points and then subtract each place value. In this case, 15.7 - 9.8 = 5.9. Therefore, the correct answer is 5.9. When subtracting decimals, it is crucial to maintain the alignment of the decimal points to ensure accurate calculations. In this subtraction problem, the tenths and ones places are being subtracted individually. Subtracting 8 from 7 in the tenths place results in 1, while subtracting 9 from 15 in the ones place results in 6. Combining these results, we get a final answer of 5.9.

Subtract 2 5/8 - 7/8 and reduce

  • A. 1 & 5/8
  • B. 1 & 1/4
  • C. 1 & 6/8
  • D. 1 & 3/4
Correct Answer: D

Rationale: To subtract fractions, ensure the denominators are the same, then subtract the numerators. In this case, 2 5/8 - 7/8 = (2 - 1) 5/8 = 1 5/8. Since 5/8 cannot be further simplified, the answer is 1 & 5/8 in mixed number form. However, for the final answer in reduced form, 5/8 can be simplified to 4/8, which is equivalent to 1/2. Therefore, the correct reduced answer is 1 & 3/4, making choice D the correct answer.

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