Answer:
45
40 percent (calculated percentage %) of what number equals 18? Answer: 45.
Eighteen is 40 percent of the number 45 and this can be determined by using the unitary method and the given data.
Given :
Eighteen is 40 percent.
The following steps can be used in order to determine the number whose 40 percent is 18:
Step 1 - The unitary method can be used in order to determine the number whose 40 percent is 18.
Step 2 - According to the given data, 18 is 40 percent.
Step 3 - Let the unknown number be 'x'.
Step 4 - Now, if 18 is the 40 percent then the number 'x' which is 100% is:
[tex]x=\dfrac{100}{40}\times 18[/tex]
Step 4 - Simplify the above expression.
x = 45
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