Asked by Si

Hi,I have a linear model with equation p = 5.1t - 28, where p is the number of breeding pairs of birds and t is the year. I need to use algebra to find the year in which the linear model predicts the breeding pairs will exceed 500.

Any help appreciated.

Answers

Answered by drwls
Solve the equation

5.1t - 28 = 500

5.1t = 472

t = 472/5.1 = ___ years

Looks like a long wait.

I am assuming that "year zero" is the year when p = 28, and the counting starts. It is not 1 AD
Answered by Henry
Si, I'm assuming you meant the number of years it takes for the breeding pairs to exceed 500

P = 5.1t -28 = 500 Solve for t:
t = 528 / 5.1 = 103.5 or 104 yrs..
Answered by drwls
Yes. I agree with your answer.
Answered by Henry
Thanks
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