Question

If the cost of a dozen of pens is Rs. 153.60, what will be the cost of 10 such pens ?

Answer 1

Rs. 128 is correct answer
I hope it will help

Answer 2

$\textbf {Hey there, here is the solution.}$

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one dozen = 12

Find the cost of 1 pen:

12 pens = Rs 153.60

1 pen = 153.60 ÷ 12

1 pen = Rs 12.80

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Find the cost of 10 pens:

1 pen = Rs 12.80

10 pens = 12.80 x 10

10 pens = Rs 128

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Answer: 10 pens cost Rs 128

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$\textbf {Cheers}$