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Rzqust [24]
2 years ago
7

If Jenny can read 7 books in 8 days, exactly how many days would it take her to read 20 books?

Mathematics
2 answers:
Fiesta28 [93]2 years ago
5 0
<h3><u>Question</u><u>:</u><u>-</u></h3>

If Jenny can read 7 books in 8 days, exactly how many days would it take her to read 20 books?

<h3><u>Answer</u><u>:</u><u>-</u></h3><h3 />

22.85714 or 23 days

<h3><u>Explanation</u><u>:</u><u>-</u></h3>

GIVEN,

Number of books Jenny can read in 8 days = 7

NOW,

Number of days taken by Jenny to read 1 book = \frac{8}{7}

Number of days taken by her to read 20 books =

→ 20 \times \frac{8}{7}

→ \frac{160}{7}

→ 22.85714 or 23 days

muminat2 years ago
3 0

Answer:

<h2><em><u>23</u></em><em><u> </u></em><em><u>days</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>,</u></em>

No. of days taken by Jenny to read 7 books

= 8

<em><u>So</u></em><em><u>,</u></em>

No. of days taken by her to read 1 book

=  \frac{8}{7}

<em><u>Therefore</u></em><em><u>,</u></em>

No. of days taken by her to read 20 books

=  \frac{8}{7} × 20

  • <em>[</em><em>On</em><em> </em><em>Simplification</em><em>]</em>

=  \frac{160}{7}

  • <em>[</em><em>On</em><em> </em><em>dividing</em><em>]</em>

= 22.85.....

  • <em>[</em><em>On</em><em> </em><em>approximating</em><em>]</em>

= 23 days (approx. )

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Jenny</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>take</u></em><em><u> </u></em><em><u>23</u></em><em><u> </u></em><em><u>days</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>read</u></em><em><u> </u></em><em><u>20</u></em><em><u> </u></em><em><u>books</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

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