"Decreased by" just means "minus," so that's C-11.
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what is 12 decreased by p
Its 11
The expression for eleven decreased by a number can be written as 11 - x, where x represents the unknown number being subtracted from eleven. This expression represents the operation of subtraction, where the value of x will determine the final result after subtracting from eleven.
A number decreased by 4 is n-4
1/3x - 11 = 38 Therefore, 1/3x = 49 Therefore, x = 49 x 3 = 147