(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The length of a rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3cm/s when the length is 20 cm and the width is 10cm, how fast is the area of the rectangle increasing?

2. Relevant equations

V=LW

3. The attempt at a solution

dL/dt=8 dW/dt=3

l=20 w= 10

dA/dt=?

(V=LW)'

dA/dt= dL/dt * dW/dt

before I go any further is this correct both the L and the W become one when derived right?

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# Related rate expanding rectangle

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