Question

if the if the cost of 20 packets of 8 pencils each is 400 rupees what is the cost of 25 packets of 12 pencils each​

Answer 1

Answer:750₹

Step-by-step explanation:

let the cost of pencil be x

1packet=8pencil

20×8x =400

x=2.5

Now,

25×12×2.5=cost

750₹

Answer 2

Step-by-step explanation:

Given That -

No. of pencils in 20 packets having 8pencils each = 20×8 = 160

cost of 160 pencils = ₹400

Cost of 1 pencil = 400/160 = ₹2.5

Now,

No. of pencils in 25 packets having 12 pencils each = 25×12 = 300 pc.

Cost of 300 pencils = 300×2.5

=₹750

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