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?

Question

asked Sep 28, 2022 106k views

1 Answer

Salihgueler · Answer 1 · 2022-10-05T06:58:21+0000

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.