oliver is monitoring the population of red kangaroos in the deserts of australia. oliver catches 55 red…

oliver is monitoring the population of red kangaroos in the deserts of australia. oliver catches 55 red kangaroos, tags them, and releases them. a little while later, a helicopter pilot takes an aerial photograph of 320 red kangaroos, 11 of which are marked. to the nearest whole number, what is the best estimate for the red kangaroo population?

oliver is monitoring the population of red kangaroos in the deserts of australia. oliver catches 55 red kangaroos, tags them, and releases them. a little while later, a helicopter pilot takes an aerial photograph of 320 red kangaroos, 11 of which are marked. to the nearest whole number, what is the best estimate for the red kangaroo population?

Answer

Answer:

1600

Explanation:

Step1: Set up proportion

Let $x$ be the total population. The proportion is $\frac{55}{x}=\frac{11}{320}$.

Step2: Cross - multiply

$11x = 55\times320$.

Step3: Solve for $x$

$x=\frac{55\times320}{11}= 1600$.