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'Question 8: 11 ptsA shop owner sold 27 books on Friday. This was 9 more than the number of books he sold on Thursday. Identifyan equation and its solution that shows the number of books he sold on Thursday.O x - 9 = 27; 36 booksO 9x = 27;3 booksO x + 27 = 36; 9 booksO x + 9 = 27; 18 books

Question 8 11 PtsA Shop Owner Sold 27 Books On Friday This Was 9 More Than The Number Of Books He Sold On Thursday Identifyan Equation And Its Solution That Sho class=

Sagot :

SOLUTION

Write out the information from the question,

[tex]\text{Books sold on friday=27}[/tex]

Define a parameter for the books sold on thursday

[tex]\text{Let the numbers of books sold on thurdays = x}[/tex]

Since the books sold on friday is 9 more than the books sold on thurday, then it implies that adding 9books to the books sold on friday, we will obtain the numbers of books sold on friday.

Then the equation becomes

[tex]x+9=27[/tex]

x + 9 = 27 is the equation

To solve the equation, we subtract 9 from both sides

[tex]\begin{gathered} x+9-9=27-9 \\ \text{ Simplify} \\ x=18 \end{gathered}[/tex]

Therefore

18 books where sold on Thursday

Hence

Answer: x + 9 = 27 ; 18 books

The fourth option.

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