A number is doubled and 5 is added. If the resultant is trebled, it becomes 135. What is that number?
Pick one.
A) 12  B) 29  C) 20  D) 15  E) 99
Explanation:   Let the number be x.   Therefore,   3(2x + 5) = 135   6x + 15 = 135   6x = 120   x = 20   ANSWER:20
<result>C</result>
A number is doubled and 5 is added. If the resultant is trebled, it becomes 135. What is that number?