The price of 3 chairs and 2 tables is 4500rupees and the price of 5 chairs and 3 tables is
7000 rupees, then find the price of 4 chairs and 4 tables.
Answers
★Given:-
- The price of 3 chairs and 2 tables is 4500rupees.
- The price of 5 chairs and 3 tables is 7000 rupees.
★To find:-
- Price of 4 chairs & 4 tables.
★Solution:-
Let the price of 1 chair be x
And the price of 1 table be y
Then,
- Price of 3 chairs = 3x
- Price of 2 tables = 2y
- Price of 5 chairs = 5x
- Price of 3 tables = 3y
Given that the price of 3 chairs and 2 tables is 4500
Therefore,
➜3x+2y=4500-----(1)
Also given that,The price of 5 chairs and 3 tables is 7000
Therefore,
➜5x+3y=7000-----(2)
Multiplying equation(1) with 3,
- 9x+6y=13500---(3)
Multiplying equation(2) with 2,
- 10x+6y=14000---(4)
Now subtracting equation(4) from (3),
9x+6y=13500
10x+6y=14000
− − −
−x=−500
➜x = 500
Substituting values of x in equation(1),
➜3x+2y = 4500
➜3(500)+2y = 4500
➜2y = 4500 - 1500
➜2y = 3000
➜y = 3000/2
➜y = 1500
We know,
- Price of 4 chairs = 4x
- Price of 4 tables = 4y
Hence,
Price of 4 chairs and 4 tables will be:
➜4x + 4y
Substituting the values of x&y,
➜4(500)+4(1500)
➜4(500+1500)
➜4(2000)
➜Rs.8000
Hence,
The price of 4 chairs and 4 tables are Rs.8000.
_______________
Question:
The price of 3 chairs and 2 tables is 4500rupees and the price of 5 chairs and 3 tables is 7000 rupees, then find the price of 4 chairs and 4 tables.
Given:
The price of 3 chairs and 2 tables is 4500rupees.
The price of 5 chairs and 3 tables is 7000 rupees.
To find:
Price of 4 chairs & 4 tables.
Answer:
Rs.8000
Step-by-step explanation:
Let the price of 1 chair be x
And the price of 1 table be y
Then,
Price of 3 chairs = 3x
Price of 2 tables = 2y
Price of 5 chairs = 5x
Price of 3 tables = 3y
Given that the price of 3 chairs and 2 tables is 4500
Therefore,
3x+2y=4500-----(1)
Also given that,The price of 5 chairs and 3 tables is 7000
Therefore,
5x+3y=7000-----(2)
Multiplying equation(1) with 3,
9x+6y=13500---(3)
Multiplying equation(2) with 2,
10x+6y=14000---(4)
Now subtracting equation(4) from (3),
9x+6y=13500
10x+6y=14000
− − −
−x=−500
x = 500
Substituting values of x in equation(1),
➪3x+2y = 4500
➪3(500)+2y = 4500
➪2y = 4500 - 1500
➪2y = 3000
➪y = 3000/2
➪y = 1500
As we know"
Price of 4 chairs = 4x
Price of 4 tables = 4y
Price of 4 chairs and 4 tables will be:
4x + 4y
Substituting the values of x and y.
4(500)+4(1500)
4(500+1500)
4(2000)
Rs.8000
.'.
The price of 4 chairs and 4 tables are