Question

4) The cost of a chair is Rs. 290. The cost of one table is Rs. 380. Find the cost of 5 such
chairs and 5 tables. Which property will you use?

Answer 1

Step-by-step explanation:

Let the number of chairs she purchased be n.

Cost of 1 chair =Rs.250

Cost of 1 teble =Rs.400

Now according to the question-

250×x+400×2=2800

250x+800=2800

⇒250x=2800−800

⇒x=

250

2000

=8

Hence the no. of chairs she purchased is 8.

Answer 2

Step-by-step explanation:

Let the number of chairs she purchased be n.

Cost of 1 chair =Rs.250

Cost of 1 teble =Rs.400

Now according to the question 250xx+400x2=2800

250x+800-2800

→250x=2800-800

250

2000

=8

Hence the no. of chairs she purchased is

8.

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