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Mathematics, 26.10.2019 05:43 Whitehouse9

Each day a runner trains for a 10km race. on the fisrt day she runs 1000m, and then increases the distance by 250m on each subsequent day.

a) on which day does she run a distance of 10km in training?

b) what is the total distance she will have run in training by the end of that day?

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