**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:

__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:

__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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