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deduce
Exercise 5 - Language in use
To deduce means to use an "if..., then..., so..." chain of reasoning. You use assumptions to reach a conclusion.

In this exercise you will have to use "if..., then..., so..." reasoning to solve this puzzle.
Look at the 3 pictures below.

In picture #3, how many triangles should be put on the right side of the scale to balance the scale and stop either side from going down?

See if you can use the information in picture #1 and picture #2 to deduce the answer.
deduce how many triangles to add

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