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Translate the following phrase to an expression the difference between 20 in

User Arled
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Difference means Subtraction

The difference between 20 and twice a number

Twice means times 2

The number is n

So the expression is

20 - 2n

At n = 3

20 - 2n = 20 - 2(3)

20 - 2n = 20 - 6

20 - 2n = 14

The answer is C

User Fender
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