A grey squirrel population was introduced in a certain county of Great Britain 30 years ago. Biologists observe that the population doubles every 6 years, and now the population is 100,000. what is the formula

The formula for the gray squirrel population is .

Step-by-step explanation:

The statement indicates that gray squirrel population increases geometrically, population is doubled every 6 years. That is:

(1)

If the population after 30 years is 100000, then we construct the following relationship:

(2)

A geometric progression for the grey squirrel population is defined by the following formula:

(3)

Where:

- Time, measured in years.

- Population of gray squirrels.

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3