1606 . If x+5y=16 and x=-3y, then y= ?

  • A. -24
  • B. -8
  • C. -2
  • D. 2
  • E. None of these
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1611 . If x +2y > 8 , then 2x + 4y is

  • A. greater than 20
  • B. smaller than 20
  • C. equal to 20
  • D. all of these
  • E. None of them
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1614 . If x/5=y/8, then (x+5) : (y+8) is equal to :

  • A. 3 : 5
  • B. 13 : 8
  • C. 8 : 5
  • D. 5 : 8
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