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3 years ago

6

The house sparrows population has decreased by 41% since 1977. The population is now approximately 6.5 million pairs of birds. W

hat was the estimated sparrow population in 1977?

1 answer:

BlackZzzverrR [31]3 years ago

5 0

Let x be estimated population in 1977

x - 0.41x = 6,500,000
x = (6,500,000 / 0.59

Answer is approximately 11,017,000

11 million

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