A scientist wants to estimate the number of lions living in a region. On Thursday, he locates and tags some lions. I

On Friday he returns and locates 10 less lions than he had on Thursday.

He notices that 4 of the lions are tagged

The scientist works out an estimate for the total number of lions living in the

region.

He notices that the number of lions that he had caught on Thursday, was a

fifth of the total number of lions.

How many lions live in the region?

Work out an estimate for the total number of eels in the lake. Question 2: ... Question 3: A scientist wants to estimate the total number of ish in a pond. On Thursday ... Question 4: Darren wants to estimate how many grasshoppers live in a ield. He ... On Friday he returns and locates 10 less lions than he had on Thursday. He ...

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

hello,

as   long as they add up to 180 its correct.