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Math-Resume of Unit 1 (Ratio (The relationship between two groups or…
Math-Resume of Unit 1
Ratio
The relationship between two groups or amounts that expresses how much bigger one is than the other.
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You can use "/", ":" and "to".
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Rate
The rate is the relationship between two different groups or amounts that expresses how much bigger one is than the other, and the denominator is always 1.
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LCM
The smallest common multiple of two integers "a" and "b", and normally is the positive number
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Commisions
A fee paid for services, usually a percentage of a total cost.
City gallery sold Amanda's painting for $300, so Amanda paid them 10% comission (of $30).
Taxes
A tax is added to the price of particular goods and services, usually is demonstrated as percentage of the purchase price.
Ex:
If the sales tax rate is 7.25% in California, then how much would you pay in Los Angeles for a pair of shoes that cost $39.00?
Solution: ($39.00)*(0.0725) = $2.8275. Round to the nearest cent, the sales tax is $2.83.
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