Answer:
20 times
Explanation:
8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
5.6m questions
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