Question

Calculate the percentages. 1 a. 10% of 0 1 b. 10% of 16 2 a. 70% of 38 2 b. 50% of 36 3 a. 80% of 28 3 b. 70% of 48 4 a. 30% of 6. 4 b. 20% of 36 5 a. 20% of 22 5 b. 80% of 36​

Answer 1

Answer:

1st. .10

2nd.

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Answer 2

Answer:-

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.

hope it helps ♡

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