Scale Factor of 5 and 90

What is the Scale Factor of 5 and 90? What is the Scale Factor between 5 and 90? More specifically, what is the Scale Factor from a length of 5 to a length of 90? In other words, what (Scale Factor) can you multiply by 5 to get 90 as illustrated below?:

5 × Scale Factor = 90

To solve the equation above, you simply divide both sides by 5 to get the Scale Factor alone on the left side:

(5 × Scale Factor)/5 = 90/5
Scale Factor = 90/5

We could leave the answer like that, but we have also converted the answer to its simplest fraction form and to decimal form:

Fraction answer = 18
Decimal answer = 18

You may also be interested to know that we verified that 5 × 18 = 90 is true, which means that our answer is correct. Also, note that since 5 is less than 90, this is an Enlargement Scale Factor.

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Scale Factor of 5 and 91
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