Mathematics, 14.11.2021 23:10, jordonlewis

Justine and Kate are training for a race. At every training session Justine runs x miles and Kate runs 3 more miles than Justine.
In one week, Justine and Kate both train every day.
In the 7 days they run 63 miles in total between them.
How many miles do Justine and Kate each run per day?

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Justine and Kate are training for a race. At every training session Justine runs x miles and Kate...