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Example 1:
Jane ran 100 meters in 15 seconds. How long did she take to run 1 meter?
Step 1: Think of the word problem as:
If 100 then 15. If 1 then how many?
Step 2: Write the proportional relationship:
Answer: She took 0.15 seconds
Example 2:
If of a tank can be filled in 2 minutes, how many minutes will it take to fill the whole tank?
Step 1: Think of the word problem as:
If then 2. If 1 then how many? (Whole tank is )
Step 2: Write the proportional relationship:
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What is the opposite of proportion?
Inverse is the opposite of proportion
The graph of an inverse proportion is?
hyperbola
Definition of indirect proportion?
Indirect proportion is more famously known as Inverse Proportion. Inverse proportion is the exact opposite of Direct Proportion. Inverse Proportion -As one quantity increases other quantity decreases. An example problem: If 4 painters can paint a house in 6 days then how many days can 8 painters paint a house of the same size? To solve, use cross product 4 painters=6 days 8 painters=x 4x6=24 24/8=3 To paint the same house,8 painters need 3 days.
Is this an example of direct or inverse proportion?
direct
How do you solve additive inverse?
The inverse of addition is subtraction.
How do you solve the proportion of something?
There cannot be a "proportion of something": proportion is a relationship between two things, and how you solve it depends on whether they (or their transformations) are in direct proportion or inverse proportion.
What do you know about direct proportion and inverse proportion?
direct proportion: y=kx inverse proportion: y=k/x
Differentiate direct proportion from inverse proportion?
when both increaes its direct proportion and when one increase and othe decreases its inverse proportion.
What is the opposite of proportion?
Inverse is the opposite of proportion
What da hell is inverse proportion?
Inverse proportion is a mathematical concept and has nothing whatsoever to do with religious concepts such as hell.
How are equations used to solve real word problems?
Set up a proportion equation.
What is the graph of an inverse proportion?
hyperbola
The graph of an inverse proportion is?
hyperbola
Definition of indirect proportion?
Indirect proportion is more famously known as Inverse Proportion. Inverse proportion is the exact opposite of Direct Proportion. Inverse Proportion -As one quantity increases other quantity decreases. An example problem: If 4 painters can paint a house in 6 days then how many days can 8 painters paint a house of the same size? To solve, use cross product 4 painters=6 days 8 painters=x 4x6=24 24/8=3 To paint the same house,8 painters need 3 days.
Is this an example of direct or inverse proportion?
direct
How can you solve problems involving percents?
That would depend on the specific problem. The "rule of three" (i.e., solving proportions) can help for many standard problems; i.e., you consider a proportion, where the percentage has a denominator of 100. Here are some examples:1) What's 17% of 2000? The proportion to solve is: 17/100 = x/2000 2) 500 is what percentage of 2000? The proportion to solve is: x/100 = 500/2000 3) 500 is 10% of what number? The proportion to solve is: 500/x = 10/100
How do you solve additive inverse?
The inverse of addition is subtraction.
