Question

What percent does the population of weeds decrease each day?

Answer 1

`\begin{gathered} \lvert(1650(0.85)^1-1650(0.85)^0)/(1650(0.85)^0)\rvert\cdot100 \\ =\lvert(0.85-0.85^0)/(0.85^0)\rvert\cdot100=\lvert(0.85-1)/(1)\rvert\cdot100=0.15\cdot100 \\ =15 \end{gathered}`

Answer = 15%