12. D) 5w - 7 If y represents a number, which equation is a correct translation of the sentence? 30 subtracted from 7 times a number is 4. A) 30 -7y = 4 B) 70-30) = 4 C) 7y - 30 =4 D) 7(30 - y) = 4

From the problem,
30 subtracted from 7 times a number is 4.
y represents a number.
7 times a number is : 7y
30 subtracted from 7y is : 7y - 30
The result is 4 : 7y - 30 = 4
The answer is C. 7y - 30 = 4