Question

the cost of 7 pens and 3 pencils is Rs 300.If the cost of a pen is Rs 60 more than a pencil find the cost of pen and the pencil​

Answer 1

Answer:

Three pencils cost Rs 7 implies that 1 pencil costs

73 rupees≈ Rs 2.33.

So 5 pencils cost

5× Rs 2.33=Rs 11.65.

To get closer to an exact answer, multiply 5 by 7/3 and then

5×73 rupees

=353 rupees=1123 rupees

≈ Rs 11.67 .