ISEE Middle Level Math : How to find the part from the whole with percentage
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Example Questions
Example Question #31 : How To Find The Part From The Whole With Percentage
Find the equivalent of 
Divide:
Answer:
Example Question #32 : How To Find The Part From The Whole With Percentage
Find the equivalent of 
Divide:
Answer:
Example Question #18 : Percentages
A sweater costs 100 dollars. It is then discounted 20%. A week later it is discounted another 25%. What is the final price of the sweater?
55 dollars
60 dollars
50 dollars
45 dollars
60 dollars
When the 100 dollar shirt is discounted 20%, it will be discounted 20 dollars, leaving the price at 80 dollars.
When 80 dollars is then discounted another 25%, that value is equal to another 20 dollars.
100 dollars less 20 dollars, less another 20 dollars is 60 dollars.
Thus, 60 dollars is the final price.
Example Question #33 : How To Find The Part From The Whole With Percentage
What is the decimal equivalent to 
Divide the numerator (top number) by the denominator (bottom number):
Answer:
Example Question #34 : How To Find The Part From The Whole With Percentage
What is 
Divide the numerator (top number) by the denominator (bottom number):
Answer:
Example Question #35 : How To Find The Part From The Whole With Percentage
What is the decimal equivalent of 
Divide the numerator (top number) by the denominator (bottom number):
Answer:
Example Question #36 : How To Find The Part From The Whole With Percentage
Write 
Divide the numerator (top number) by the denominator (bottom number):
Answer:
Example Question #37 : How To Find The Part From The Whole With Percentage
Write 
To convert a percentage into a decimal, divide the number by 100.
Here's a trick: Simply pretend there is a decimal point at the end of the number, and then move the decimal point two places to the left.
You can think of 42 as 42.0 (or 42. - the zero doesn't matter). Now move the decimal point two places to the left.
Answer:
Example Question #38 : How To Find The Part From The Whole With Percentage
What is 0.06% of 0.07?
0.06%, as a decimal, is equal to 
Example Question #39 : How To Find The Part From The Whole With Percentage
What is 
Cross-cancel:
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