Question

A rectangular make-up case is 3in. High and has a volume of 90in^{3 }. The wide is 1in. Less than the length. Find the length and width of the case.

Step 1

The case is in rectangular shape with 3 in height and volume is 90in^{3}.

The width of the case is 1in less than the length.

So consider the length as *x*.

Then width of the case is *x *– 1.

The volume of the cuboid is,

Step 2

Now substitute *V *= 90, *l* =*x*, *w* = *x* –1, and *h *= 3 in the volume.

Step 3

Find the values of *x* of the above quad...

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