If 2x + y = 7 and x + 2y = 5, then 8xy/3 =?
Choose one: A) A) 1 B) B) 8 C) C) 17/5 D) D) 18/5 E) 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   (8*3*1)/3   = 24/3= 
<gadget id="calculator">24/3</gadget>
<output>8</output>
8   8
<result>B</result>
If 2x + y = 7 and x + 2y = 5, then 8xy/3 =?