Answer
Multiples of 850 are:
850, 1700, 2550, 3400, 4250, 5100, 5950, 6800, 7650, 8500, 9350, 10200, 11050, 11900, 12750, 13600, 14450, 15300, 16150, 17000, 17850, 18700, 19550, 20400, 21250, 22100, 22950, 23800, 24650, 25500, 26350, 27200, 28050, 28900, 29750, 30600, 31450, 32300, 33150, 34000, 34850, 35700, 36550, 37400, 38250, 39100, 39950, 40800, 41650
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