Answer:
Q1: $1.2 Q2: 5 pens
Step-by-step explanation:
The differential equation that models the given situation will be dy/dt = K(N - y).
<h3>How to compute the equation?</h3>
Let y = number of individuals who have heard about the product.
Let N - y = this who haven't heard about the product.
From the given statement, the rate for change will be t = dy/dt. Therefore, the differential equation that models the given situation will be dy/dt = K(N - y).
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Geometric mean =x=<span>√(5 × 20)
=</span>√100
=10
