4/15 of 5/7 of a number is greater than 4/9 of 2/5 of the same number by 8.
What is half of that number?	Choose the correct choice from the following options.
A) 315
B) 310
C) 314
D) 318
E) 319
Let the number be x. then 4/15 of 5/7 of x-4/9 of 2/5 of x=8&lt;=&gt;4/21x-8/45x=8   &lt;=&gt;(4/21-8/45)x=8&lt;=&gt;(60-56)/315x=8&lt;=&gt;4/315x=8   x=(8*315)/4= 
<gadget id="calculator">(8*315)/4</gadget>
<output>630</output>
630&lt;=&gt;1/2x=315   315nswer is 315.
<result>A</result>
4/15 of 5/7 of a number is greater than 4/9 of 2/5 of the same number by 8.
What is half of that number?