Online Self-Tests(A16)

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  1. A pen weighs about 150 milligrams when first bought. After 6 months of using it, it now weighs 35 milligrams. What is the percentage of the weight decreased?

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  Answer:

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  2. Find the value of x.

  
  

  x	–	2	=	1
  6		3		6

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  Answer:

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  3. A pie is already 12% eaten. If ¾ of the remaining pie is eaten, what is the percentage of pie left over?

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  Answer:

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  4. Find the value of x.

  
  

  1	+	x	=	8
  3		9		9

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  Answer:

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  5. Solve the equation.

  
  

  x

  ×

  2

  =

  12

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  Answer:

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  6. If 7 – x= 1 and y= 2, find the value of x× y.

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  (1 point)

  
  

  Answer:

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