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Nadusha1986 [10]
3 years ago
14

twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the su

rvey, how many dentists were surveyed?
Mathematics
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

1,600 dentists were surveyed in total.

Step-by-step explanation:

We can set up a proportion for this problem:

\frac{27}{40} = \frac{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.

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