One of the toughest races in the world is the 26.2 mile Boston Marathon. After running 22 miles, Sheila is exhausted. What percent of the race must she still run?
1 Answer
Explanation:
Percentage is just a fraction but a special one where the bottom number (denominator) is fixed at 100
Some times you see percentage presented as a number followed by the symbol %. The thing is; you can think of the % as another way of writing
Example:
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The whole race is over 26.2 miles. So everything is a fraction of this.
She ran 22 miles so as a fraction of the whole this is
What was left as a fraction of the whole was
But this is not in the form of percentage.
As a fraction what we need is:
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Starting point
We need to change the bottom number to 100. Note that
As a decimal