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twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the survey, how many dentists were surveyed?

User Smash
by
8.6k points

1 Answer

4 votes

Answer:

1,600 dentists were surveyed in total.

Explanation:

We can set up a proportion for this problem:


(27)/(40) = (1080)/(x)\\\\\\

Now we can cross multiply:


27*x = 1080*40\\\\27x = 43,200\\\\27x/27 = 43,200/27\\\\x = 1,600

1,600 dentists were surveyed in total.

User Salihgueler
by
8.2k points
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