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Convert 7 3/8 to a decimal.
- A. 7.38
- B. 7.375
- C. 7.357
- D. 7.35
Correct Answer: B
Rationale: To convert 7 3/8 to a decimal, first convert the mixed number to an improper fraction: 7 * 8 + 3 = 59/8. Next, divide the numerator by the denominator: 59 ÷ 8 = 7.375. Therefore, the correct answer is B: 7.375.
Explanation:
A: 7.38 - Incorrect, as the fraction 3/8 is equal to 0.375, not 0.38.
C: 7.357 - Incorrect, as this is not the correct decimal equivalent of 7 3/8.
D: 7.35 - Incorrect, as this does not accurately represent the value of 7 3/8.
You may also like to solve these questions
How many ounces are in 3 gallons?
- A. 256 oz
- B. 384 oz
- C. 512 oz
- D. 128 oz
Correct Answer: B
Rationale: To convert gallons to ounces, you should multiply by the conversion factor of 128 (1 gallon = 128 ounces). Therefore, to find the number of ounces in 3 gallons, you calculate: 3 gallons x 128 ounces/gallon = 384 ounces. Hence, there are 384 ounces in 3 gallons.
Calculate the product: (88)(7.08) =
- A. 862.5
- B. 88.04
- C. 64.252
- D. 623.04
Correct Answer: D
Rationale: To find the product of two numbers, you multiply them together. In this case, (88)(7.08) equals 623.04. To calculate this, you multiply 88 by 7.08. This results in 623.04. Therefore, the correct answer is D, 623.04.
A shopper bought the following items: Shirt $14.95, Pants $22.87, Tie $33.35. How much tax will they have to pay if the tax rate is 7.25%?
- A. $5.16
- B. $7.18
- C. $3.55
- D. $51.59
Correct Answer: A
Rationale: To find the total cost of the items, add the prices: $14.95 + $22.87 + $33.35 = $71.17. Next, calculate the tax amount by multiplying the total cost by the tax rate: $71.17 — 0.0725 = $5.16. Therefore, the shopper will have to pay $5.16 in tax. The correct answer is A) $5.16.
What is the sum of 23.5 and 7.025?
- A. 30.525
- B. 30.5
- C. 30.025
- D. 16.475
Correct Answer: A
Rationale: To find the sum of 23.5 and 7.025, you need to add the two numbers together: 23.5 + 7.025 = 30.525. Therefore, the correct answer is A, 30.525. When adding decimal numbers, align the decimal points and add as usual, carrying over any numbers to the left of the decimal point if necessary. In this case, the sum is correctly calculated as 30.525. Remember to be careful with the placement of the decimal point when adding or subtracting decimals to ensure accurate results.
What is the result of dividing 5 & 3/4 by 1/2, reduced to the simplest form?
- A. 5 & 1/2
- B. 2 & 3/8
- C. 11 & 1/2
- D. 18
Correct Answer: C
Rationale: To divide a mixed number by a fraction, you first convert the mixed number to an improper fraction. 5 & 3/4 as an improper fraction is 23/4. Dividing 23/4 by 1/2 is equivalent to multiplying 23/4 by 2/1, resulting in 46/4. When simplified back to a mixed number, 46/4 is 11 & 1/2.