A garden path is laid in a pattern: 3 tiles in the first strip, 8 in the second, 13 in the third, and so on for 12 strips. How many tiles are used?

MathematicsEasyHigh School (9–10)GeneralAlgebra › Sequences and Series

A garden path is laid in a pattern: $3$ tiles in the first strip, $8$ in the second, $13$ in the third, and so on for $12$ strips. How many tiles are used?

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