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Unitary Method | Unitary Method Exercise 9B

Question 5

A girl can finish a book in 25 days if she reads 18 pages of it every day. How many days will she take

to finish it, if she reads 15 pages every day?

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Solution:-

From the question,

Number of days taken to finish the book if she reads 18 pages every day = 25

Number of days taken to finish the book if she read 1 page every day = (18 × 25)

∴Number of days taken to finish the book if she reads 15 pages every day = (18 × 25)/ 15

= 30 days

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 5

A girl can finish a book in 25 days if she reads 18 pages of it every day. How many days will she take

to finish it, if she reads 15 pages every day?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Solution:-

From the question,

Number of days taken to finish the book if she reads 18 pages every day = 25

Number of days taken to finish the book if she read 1 page every day = (18 × 25)

∴Number of days taken to finish the book if she reads 15 pages every day = (18 × 25)/ 15

= 30 days

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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