Question

1 dozen books cost 25 rupees how much will 30 books cost

Answer 1

Step-by-step explanation:

Rs. 60

Given cost of 6 notebooks =Rs 45.

Then cost of one notebook =Rs

6

45

So cost of 8 notebooks =Rs

6

45

×8=60 Rs

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Answer 2

Answer:

1dozen = 12 books

12 books = 25 rupees

cost of 1book = 25/12 rupees

cost of 30 book = 30 × 25/12

= 5× 25/2

= 125 /2

= 62.5 rs

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