Question

Circle your answer. Use pictures,words, or equations to explain.10. 6 books are on a shelf. Some more booksare put on the shelf. Now there are 15 bookson the shelf. How many books were put onthe shelf?Kyle says that there were 9 books put on theshelf because 6 + 9 = 15. Do you agree ornot agree with Kyle?

Answer 1

Given:

The initial number of books in the shelf is, i = 6.

The final numbe of books in the shelf i, f = 15.

Kyle says 9 books were added in the shelf.

The objective is to find whether the answer is true or false.

Step-by-step explanation:

To find the number of books added on the shelf,

`\begin{gathered} x=f-i \\ =15-6 \\ =9 \end{gathered}`

Thus, it is correct that the number of boooks added on the shelf is 9.

Hence, it is possible to agree with kyle.