Question

7th grade math. linear equations in one variable. The total cost of 3 tables and 2 chairs is rs 1850. If a table costs 75 more than a chair, find
the price of each.
A man sold an article for 2495​

Answer 1

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7th grade math. linear equations in one variable. The total cost of 3 tables and 2 chairs is rs 1850. If a table costs 75 more than a chair, find

the price of each.

A man sold an article for 2495

ANSWER⤵️

Let the cost of 1 table is x . cost of 3 table

is 3x

Let the cost of 1 chair is y .. cost of 2

chairs is 2y

According to the question total cost of 3

tables and 2 chairs is 1850

3x+2y=1850

and x=75+y___(2) (Since in

question it is given that cost of table is 75

more than chair )

Solving equation (1) and (2)

simultaneously

3x+2y=1850

x-y=75 (2)

Multiplying equation (2) by 2

we get 2x-2y=150 _(3)

Adding (1) and (3)

we get 5x=2000

x=400 therefore cost of one table is

Rs 400

substituting the value of x in (2) we get

400-y 75

y=400-75 325

therefore cost 1 chair is Rs 325

0

Answer 2

Answer:

$212125 {?}^{?}$

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