half a number B decrease by twelve
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1/2 b - 12
Explanation:
Half a number b = 1/2 b
decreased means minus (-)
by 12
The answer is 1/2 b - 12
Answer:
half of a number b decreased by twelve.
Explanation:
The phrase decreased by means we subtract the constant from the term using the (-) operator.
Half of a number b → b/2
decreased by → symbol sign (-)
twelve → 12