If 2x + y = 7 and x + 2y = 5, then xy/3 =
Pick:	A) 1	B) 4/3	C) 17/5	D) 18/5	E) 4
2*(x+2y = 5) equals 2x+4y=10   2x+4y=10   - 2x + y= 7   = 3y=3   Therefore Y = 1   Plug and solve...   2x + 1 = 7   2x=6   x=3   xy/3= 3*1/3= 
<gadget id="calculator">3*1/3</gadget>
<output>1</output>
1   1
<result>A</result>
If 2x + y = 7 and x + 2y = 5, then xy/3 =