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In a survey, 315people said they drivetheir car to work. Thisrepresents 90% of thepeople surveyed.How many peoplewere surveyed?

Sagot :

We know that 90% is equivalent to 315 people and we want to know how many people are equivalent to 100%. So, using the rule of three, we get:

90% ------------------- 315

100% ------------------ X

Where X is the number of people surveyed.

Solving for X, we get:

[tex]X=\frac{100\cdot315}{90}=350[/tex]

Therefore, 350 people were surveyed.

Answer: 350 people