ffaarraahh92031 ffaarraahh92031
  • 14-12-2018
  • Mathematics
contestada

The rabbit population in a certain area is 200% of last years population.There are 1,100 rabbits this year.How many were there last year?

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MrsStrong
MrsStrong MrsStrong
  • 20-12-2018

Answer:

550

Step-by-step explanation:

We can write a proportion to find the total amount using the information given. A proportion is two equivalent ratios set equal to each other. Since we know the population increased to 200% of last year and is 1,100.

[tex]\frac{200}{100}=\frac{1100}{y}[/tex]

We will cross multiply the numerator of one ratio with denominator of the other. And then solve for y.

200y=100(1100)

200y=110,000

y=550

There was 550 rabbits last year.



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