Anonymous Anonymous

23-04-2016
Mathematics

Answered

Which expression represents 81 decreased by an unknown number

Verified Answer :

apologiabiology apologiabiology

23-04-2016

unknown number is x
decreased by x means minus x means -x
81 decreased by x means
81-x

Answer Link

BossLife123 BossLife123

23-04-2016

Hi there!

So, we have to write a expression.

decrease means - and an unknown number is x.

Therefore, the expression is 81-x

Answer Link

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