Puzzles/Decision puzzles/Yet Another Weighing

Puzzles | Decision puzzles | Yet another Weighing

You have a balance and the following items of which you know the weights: a stapler weighing 80g, a pen weighing 40g, an eraser weighing 20g, a ruler weighing 10g, and a small coin weighing 5g.

How many different weights can you measure with these items?

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