Comparison of Reversed Values ​​- Download AFKGG.COM
Comparison of Reversed Values ​​- Download AFKGG.COM

Comparison of Reversed Values ​​- Download AFKGG.COM

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Reverse Comparison Complete value with understanding, explanation, formula and examples along with pictures

Inverse comparison Value is a comparison that provides a relationship between 2 quantities which, if one of the quantities is enlarged, the other will be reduced, and vice versa.

Comparison formula worth & inverse value is an arithmetic way to solve a problem. Then what is meant by the comparison of worth & reversed value? What’s the difference between the two? Come on, let’s study together.
In general, the meaning of the word comparison is the difference between 2 things that have the same pattern.

If one quantity is multiplied by a number, then the other quantity is divided by that number.

Take a look at some examples of inverse value comparisons below.

If 1 person can plant 10 trees in 1 hour, then 2 people can plant 10 trees in hour.
If 100 chickens spend 1 sack of feed in 3 days, then 50 chickens will spend 1 sack of feed for 6 days.
If some money can be used to buy 3 notebooks at a price of IDR 4,000 per book, then the money can be used to buy 4 notebooks at a price of IDR 3,000.
If the distance from city A to city B can be covered by a car at a speed of 40 km / h in a period of 50 minutes, then the distance can be covered at a speed of 50 km / h in a period of 40 minutes.
If 1 box of donuts is divided among 6 children & each child gets 2 donuts, then if one box of donuts is distributed to 2 children, each child will get 6 donuts.

Inverse Value Comparison Formula

Comparison reverse value

If a1 & a2 are values ​​that have a relationship with b1 & b2 based on an inverse comparison of values, then the comparison can be written as follows.

Comparison reverse value

The above equation can also be written in the following form.

Comparison reverse value

The basic formula for the comparison of reversed values ​​above can be written as follows.

Comparison reverse value

An example of a calculation using an inverse comparison of the value of
2 mowers can cut grass in a field for 12 days. The number of craftsmen needed to cut the grass in 3 days can be calculated using the following method.
For example.
The number of artisans is written using the symbol T1 = 2 people
The number of days 1 is written using the symbol H1 = 12 days
The number of craftsmen 2 is written using the symbol T2 = ….. ?
The number of days 2 is written using the symbol H2 = 3 days

Comparison reverse value

So the number of builders needed is 8 people

Examples of Value Determination using Inverse Comparison of Values
The following are examples of determining values ​​using inverse comparisons of values

Also read: Proposal: Purpose, Structure & Language Rules

problems example

Example Question 1: Determining the Number of Workers
Question: To be able to harvest all the produce in an oil palm plantation, 4 workers need 16 days. How many workers are needed to harvest all the produce in 8 days?
Answer:
Number of workers 1, P1 = 4 people
Number of days 1, H1 = 16 days
Number of workers 2, P2 = ….. ?
Number of days 2, H2 = 8 days

So the number of employees needed is 8 people

Comparison reverse value

Example Question 2: Determining Travel Time
Question: The distance between A & B can be covered by a car at a speed of 45 km/hour in 20 minutes. How long does it take a car to travel at 60 km/hr?
Answer:
Speed ​​1, K1 = 45 km/hour
Travel time 1, W1 = 20 minutes
Speed ​​2, K2 = 60 km/hour
Travel time 2, W2 = ….. ?

Comparison reverse value

Example question 2 determines the travel time

So the travel time is 15 minutes

Example Question no 3: Determining Feed Stock
Question: To feed some of his ducks, a farmer spends 9 sacks of feed every 16 days. If he wants to provide feed stock for 12 days, how many sacks of feed should he provide?
Feed 1, P1 = 9 sacks
Day 1, H1 = 16 Days
Feed 2, P2 = …..?
Day 2, H2 = 12 days

Comparison reverse value

Example of question 3 determining feed stock

Then the stock of feed that must be given is 12 sacks.

Example Question 4: Determining the Price of Goods
Question: Budi has some money that can be used to buy 12 notebooks for IDR 5,000. If using that money, Budi wants to buy 15 notebooks, what is the maximum price for notebooks that can be purchased?
Answer:
Number of books 1, B1 = 12 books
Price 1, H1 = Rp. 5,000,-
Number of books 2, B2 = 15 books
Price 2, H2 = ….. ?

Comparison reverse value

Example of question 4 calculating the price of goods

Then the maximum price of notebooks that can be purchased is Rp. 4,000, –

Example Question 5: Determining Speed
Question: The distance between City A and City B can be traveled by car at a speed of 50 km/hour for 3 hours. If a car can cover the distance between city A and city B in 2.5 hours, what is the speed of the car?
Answer:
Speed ​​1, K1 = 50 km/hour
Travel time 1, W1 = 3 hours
Speed ​​2, K2 = ….. ?
Travel time 2, W2 = 2.5 hours

Comparison reverse value

Example question 5 determines speed

So the speed of the car is 60 km/hour.

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