Concept explainers
To calculate: The number such that 20 percent of that number is 18.
Answer to Problem 14E
The value of thenumber such that 25 percent of that number is 18 is
Explanation of Solution
Given information:
Formula used:
Percent proportion is ratio of amount and base is same as percent to 100.
To convert percentage to fraction divide the number by 100.
Calculation:
Let 25 percent of x 18.
Recall that percent proportion is ratio of amount and base is same as percent to 100.
Simplify the term,
Cross multiply the terms,
Therefore, 18 is
Thus, the value of thenumber such that 25 percent of that number is 18 is
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