For every X, the action [X] is defined: [X] is the greatest integer less than or equal to X. What is the value of [6.5] x [2/3] + [2] x 7.2 + [8.4] - 9.8?
Choose the correct choice from the following answers.
A) 12.6.	B) 14.4.	C) 15.8.	D) 16.2.	E) 16.4.
[6.5] x [2/3] + [2] x 7.2 + [8.4] - 9.8   = 6*0 + 2*7.2 + 8 - 9.8   = 0 +14.4 -1.8   12.6   12.6.nswer 12.6.
<result>A</result>
For every X, the action [X] is defined: [X] is the greatest integer less than or equal to X. What is the value of [6.5] x [2/3] + [2] x 7.2 + [8.4] - 9.8?