The percentage of tip from the whole is 20%.
What is a fraction?
A fraction is a relation to show a part of a whole.
It is written as a/b, read as "a by b", functions as a divided by, and shows a equal parts from b equal parts.
The numerator is the term given to a, while b is called the denominator.
What is a percentage?
A percentage is similar to a fraction, but the whole part here is taken as constant = 100.
To convert a fraction to a percentage, we multiply it by 100.
To convert a percentage to a fraction, we need to divide it by 100.
How to solve the question?
In the question, we are asked what Percentage we tip if our lunch was $10 and we left $2.
The amount of tip = $.
The amount of bill = $10.
Thus, the fraction representing the part the tip was of the bill is 2/10 or 1/5.
To convert this to percentage, we multiply it by 100 to get:
The percentage = 1/5 * 100% = 20%.
Thus, the percentage of tip from the whole is 20%.
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