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Amiraneli [1.4K]
3 years ago
13

A grey squirrel population was introduced in a certain county of Great Britain 35 years ago. Biologists observe that the populat

ion doubles every 7 years, and now the population is 60,000.
(a) What was the initial size of the squirrel population?
Mathematics
2 answers:
zheka24 [161]3 years ago
6 0
If this occurred over a span of 35 years and the population doubles every 7 years, we can divide 35 by 7 to find how many times the population has doubled, which would be 5 times. If we divide 60,000 by 2 (or multiply by 1/2) 5 times, you would get the answer, which would be 1,875.
NISA [10]3 years ago
6 0

it is 5 periods - 7 years each, 5*7 =35 years

120000-->60000-->30000-->15000-->7500-->3750


Initial population was = 3750 squirrels

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