Using percentages we know that there were (D) 50 items total on the test.
Percentage, which is a relative figure used to denote hundredths of any quantity.
One percent (symbolized 1%) is the hundredth part; consequently, 100 percent denotes the entirety and 200 percent specifies twice the supplied number.
By multiplying by 100 and adding the "percentage sign"%, a ratio or fraction can be transformed into a percentage.
The three questions Kelly answered incorrectly account for 6% of the test's total questions.
This can be illustrated by the following equation:
6% x t = 3
Where t stands for the test's item count.
Divide both sides of the equation by 6% to obtain the value of t.
t = 3 / 0.06
t = 50
Therefore, using percentages we know that there were (D) 50 items total on the test.
Know more about Percentages here:
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Complete question:
Kelly answered 3 items on a test incorrectly. This was 6% of the items. How many items were on the test?
a. 94
b. 18
c. 6
d. 50