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Sunny_sXe [5.5K]
4 years ago
15

a research study shows that three out of every twenty pet owners got their pet from a breede. Of the 122 animals cared for by a

vet, how many would you expect to have been bought from a breeder? Round to the nearest whole number.
Social Studies
2 answers:
sergiy2304 [10]4 years ago
5 0
I believe it's 18.
I put them in fractions, 3/20 = x/122
So I Divided 122 by 20 and I got 6.1
I multiple 3 by 6.1 and got 18.3
Rounding to the nearest whole number I got 18
mash [69]4 years ago
5 0

Answer:

18

Explanation:

To know the answer to this question you just have to do a rule of three, this is when you have a ratio of margin and the number you are trying to figure out with that margin.

In this case your ratio of margin would be 3 out of 20, and you want to discover how many out of 122, this would be expressed in the next way:

\frac{3}{20}=\frac{x}{122}

When you clear the "x" you get:

x=\frac{(3)(122)}{20}=18.3

Rounding up to the nearest option would be 18.

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