Question

If a = 1 , b = 2 and c = -1, find the value of : a 3 + b3 + c3​

Answer 1

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= 2000/250 =8

Hence, the no. of chairs that she purchased is 8 [Ans].

hope it helps ✅✅✅

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