A credit card is 0.76 mm thick. How thick is a stack of 10*3 credit cards? Explain your reasoning.
1 answer:
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The correct option will be : B) 6 cm.
<u><em>Explanation</em></u>
Suppose, the width of the rectangle is cm.
As, the length is 6 cm longer than the width, so the length will be:
<u>Formula for the Area of rectangle</u> is:
Given that, the area of a rectangle is 72 cm²
So....
Using zero-product property, we will get...
<em>(Negative value is ignored as width can't be negative)</em>
and
So, the width of the rectangle is 6 cm.