If 2x + y = 7 and x + 2y = 5, then 5xy/3 =?
Pick one
A) A) 5	B) B) 2	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   (5*3*1)/3   = 15/3= 
<gadget id="calculator">15/3</gadget>
<output>5</output>
5   5
<result>A</result>
If 2x + y = 7 and x + 2y = 5, then 5xy/3 =?