A pathway at Buona Vista Park is decorated with coloured tiles. The tiles are arranged in groups. The number of tiles in each group follows a number pattern: 8, 13, 18, 23, ___. What is the next number in the pattern?
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Worked Solution
Step 1: Find the difference between consecutive terms: 13 − 8 = 5, 18 − 13 = 5, 23 − 18 = 5.
Step 2: The common difference is 5 — the same each time, so this is an arithmetic (constant-difference) sequence.
Step 3: Add the common difference to the last known term: 23 + 5 = 28.
Final: The next number in the pattern is 28.
Answer: 28
Correct answer: 28
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