Question

80 packets of 20 pencils each cost is ₹400.Find the cost of 400 packets of 12 pencils each.​

Answer 1

Answer:

80 packets

Step-by-step explanation:

$y^{2}$

Answer 2

Answer:

The cost of 400 packets of 12 pencils is Rs 1200.

Step-by-step explanation:

80 packets of 20 pencils cost=Rs 400

1 packet of 20 pencils cost = Rs (400÷80)

=Rs 5

1 packet of 1 pencil costs = Rs (5÷20)

=Rs 0.25

1 packet of 12 pencils cost = Rs (0.25×12)

=Rs 3

So, 400 packets of 12 pencils cost=Rs(3×400)

=Rs 1200