Maths Mate Term 3 Sheet 5 Problem Solving

Predict: I predict that this question is going to be about working backwards to find a given value.

Read: I think of a number, divide it by 2 and then add 12. If the result is 20, what was the original number?

Clarifications: None

BIG Question: What was the original number?

Solution. We have to work backwards in this problem. Firstly, we have to minus 12 so that the answer is 8. Then we times 8 by 2 to get our answer, 16. To be sure, you can check if it makes sense.

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