Question

Dilip wants to buy pens and 3 pencil write an algebraic expression to find the total cost if the cost of a pen is rupees 7 and that of a pencil is rupees 4 find the total amount of money that need to be paid​

Answer 1

Answer:

If 3 pencils cost Rs 7,then what will be the cost of 5 pencils?

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 .

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Step-by-step explanation:

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