kayleekaykay2009
kayleekaykay2009 kayleekaykay2009
  • 09-10-2021
  • Mathematics
contestada

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?

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Scratchnem
Scratchnem Scratchnem
  • 09-10-2021

Answer:

1,600 dentists were surveyed in total.

Step-by-step explanation:

We can set up a proportion for this problem:

[tex]\frac{27}{40} = \frac{1080}{x}\\\\\\[/tex]

Now we can cross multiply:

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

1,600 dentists were surveyed in total.

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