Answer :
There are total of 798 people at the conference.
How do you take the percentage?
- The percentage symbolizes a part out of a hundred. The word usually % tends to refer to one hundred percent.
- It is signified by the symbol "%."
- Listed below are some percentage examples: 10% is 1/10 of a fraction.
For, the given question;
Let the total number of people at the conference be 'x'.
The, 85% of the total are of math majors.
The total of math majors are 678.
Thus,
85% of total = math majors
85% of x = 678
(85 × x)/100 = 678
Do the simplification;
x = (678 × 100)/85
x = 797.65
x = 798 (approx)
Therefore, the total number of present people at conference are 798.
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