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Zorluk: KolayPercentage Calculations

A military recruit needs to correctly answer 75%75\% of the questions on a 60-question training exam to pass. How many questions must the recruit answer correctly?

  1. A
    15
  2. 45Cevap
  3. C
    4.5
  4. D
    80

Cevap

45
To find 75%75\% of 60, first convert the percentage to a decimal (0.750.75) or a fraction (34\frac{3}{4}). Then, multiply this value by the total number of questions (6060). Calculating 60×0.7560 \times 0.75 exactly yields 45.

Adım Adım Çözüm

1
Convert the required percentage to a decimal or fraction.
75%=0.7575\% = 0.75 or 34\frac{3}{4}
Percentages must be converted into their numerical equivalents before applying them in an arithmetic operation.
2
Multiply the total number of questions by the converted percentage.
60×0.75=4560 \times 0.75 = 45
To find a specific percentage of a total amount, multiply the total by the percentage rate.

Anahtar Kavram

Calculating the percentage of a given number
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Konular

Percentage Calculations

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