A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? Choose the correct choice from the following answers:  A) 3.5  B) 6  C) 8  D) 7  E) 4
Let the number be x. Then,   3(2x + 9) = 75   2x = 16 =&gt; x = 8   ANSWER:8
<result>C</result>
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?