Question

The width of a rectangle varies inversely with its length. If the width is 4 when the length is 18, find the width when the length is 8

Answer 1

Answer:9

Step-by-step explanation:

Answer 2

Based on the calculations, the new width of this rectangle is equal to 9 units.

How to calculate the new width?

Mathematically, the inverse relationship between width (w) and length (l) is given by:

w α 1/l

w = k/l

k = wl

Given the following data:

• Width A = 4 units.

• Length A = 18 units.

Substituting the given parameters into the formula, we have;

k = 4 × 18

k = 72.

Now, we can determine new width:

w = k/l

w = 72/8

Width, w = 9 units.

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