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How many dots would be in the next image?

How many dots would be in the next image?-example-1
User Jimmar
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1 Answer

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In each image they add a dot going up and a dot going across, the last diagram is 4 by 5, so the next one is 5 by 6. Multiply 5 by 6 and you get 30.
User Chrisortman
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