Here is Benz proposed solution for (b)

In pairs,

**discuss**and

**comment**if you agree with his proposed solution

- agree, indicate
**Yes... this is what we think, too**.

OR

- disagree (with the entire working or part of it),
**elaborate why**.

Remember to sign off with both names.

Yes, we agree with the solution.

ReplyDelete-Amadea and Celine

Yes, this is what we think too. However, there are other numbers that can also be the answer, as the question asked for the possible values for x. The numbers are: 3,6 and 9

ReplyDeleteLiya and Grace.

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DeleteWe disagree with the working as it did not list all the possible values. The other possible values are 3, 6 and 9.

ReplyDelete-yu min shen and hodor

I agree and disagree with Benz. Because 0 is a possible answer but they asked for ALL possible numbers

ReplyDeleteJerremy and alexander

disagree. the question ask for all possible values, thus having more than just 1 answer.

ReplyDeleteOur suggested answer is 0, 3, 6 and 9. (x+12, 0+12=12, 3+12 = 15, 6+12=18, 9+12=21. ) By Marcus and malcolm

We agree that 0 is a possible value but other numbers like 3, 6 and 9 also works too.

ReplyDeleteTjin Yao and Choon Wee

Disagree

ReplyDeleteX can be any value as long as the total sum of all the digits is divisible by 3

Justin and Kevin

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ReplyDelete