Question

#3 come up with a word problem of your own and share it with the the group what reasonable values could you expect for the answer? What value would not be acceptable?

Answer 1

Consider the following word problem:

"The sum of a number and 5 is 7 less than its double".

To solve the word problem, let n be the number.

$\begin{gathered} \text{Therefore, the sum of the number and 5 is given by:} \\ n+5 \end{gathered}$$\begin{gathered} \text{ double the number is given by:} \\ 2n \end{gathered}$

$\begin{gathered} \text{Therefore, the sum of the number and 5 is given by:} \\ n+5=2n-7 \end{gathered}$

Hence, the solution is given by:

$\begin{gathered} 5+7=2n-n \\ n=12 \end{gathered}$

Therefore, the required word problem is: "The sum of a number and 5 is 7 less than its double" ; the acceptable answer to the word problem is 12 and any number that is not 12 will not be acceptable.

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