Assignments for Week 4 – G 6/7 class    
Percentage / Ratio / Change of Units

Prob 1 What percent of 20 is 13?
 

Please Answer: The percentage is:

Prob 2 Given that x/y = 2/3 and y/z = 3/2, find the ratio x/z.
 

Please Answer: The ratio x : z is:

   
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Prob 3 Ms. A owns a house with $10000. She sells it to Mr. B at 10% profit. Mr. B sells the house back to Ms. A at a 10% loss. How much money does Mr. A make?
 

Please Answer: The money Mr. A make is:

       
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Prob. 4 A number is increased by 50%, then decreased by 40%. What was the initial number if the final number is 8 less than the original?
 

Please Answer: The initial number is:

 
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