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Mathematics, 05.07.2019 15:00 connormaxie

80 brainliest to first correct marika is training for a track race. she starts by sprinting 100 yards. she gradually increases her distance, adding 4 yards a day for 21 days. the explicit formula that models this situation is an = 100 + (n – 1)4. how far does she sprint on day 21?

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