If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number?
A
x < 2
B
x < 3
C
x < 4
D
x < 5
E
x < 6
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
At most 5 = less than or equal to 5
2x - 7 \le 5
2x \le 5 + 7
2x \le 12
divide through by 2
x \le 6
Source: Myschool Past Questions Archive (Record #42450)