Question

During a recent winter, the ratio of deer to foxes was 7 to 3 in one county of New York State. If there were 210 foxes in the county, what was the number of deer in the county?

Answer 1

The answer is 499 because if you set up a proportion you cross multiply the 7 and the 210 and you divide it by 3 which equals 490

Answer 2

With the number of foxes being 210 in this county, the number of deer will be 490.

The ratio of deer to foxes is 7 : 3. This means that for every 7 deer, you will see 3 foxes.

If there are 210 foxes, you can use direct proportion to find the number of deer.

7 deer        :       3 foxes

x deer        :        210 foxes

Cross multiply to get:

3x = 1,470

x = 1,470 / 3

x = 490 deer

In conclusion, there are 490 deer in the county.

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