If a and b are positive real numbers, and a^3 + b^3 = 25, then the greatest possible value of a is between:
Choose the correct option:
A) 0 and 3	B) 3 and 4	C) 4 and 5	D) 5 and 7	E) 7 and 9
If a &gt; 3, then a^3 + b^3 &gt; 25.   The answer is 0 and 3.
<result>A</result>
If a and b are positive real numbers, and a^3 + b^3 = 25, then the greatest possible value of a is between: