A positive number x is multiplied by 7, and this product is then divided by 3. If the positive square root of the result of these two operations equals x, what is the value of x ? Choose one:
A) 7/3 B) 3/2 C) 4/3 D) 2/3 E) 1/2
sq rt(7x/3) = x   =&gt; 7x/3 = x^2   =&gt; x = 7/3   7/3ns - 7/3
<result>A</result>
A positive number x is multiplied by 7, and this product is then divided by 3. If the positive square root of the result of these two operations equals x, what is the value of x ?