<human>:  Carly is trying to get in shape to try out for the soccer team. She starts by running 2 miles a week. The second week, she runs twice as long plus 3 extra miles per week. The third week she runs 9/7 as much as she ran the second week. The week after that, she sprains her ankle and has to reduce her running time by 5 miles per week. How many miles did she run the week she was injured?
<bot>: How many miles does Carly run the second week? ** First find how long Carly runs the second week: 2 miles * 2 + 3 = <<2*2+3=7>>7 miles.
How many miles does Carly run the third week? ** Then find how long she runs in the third week: 9/7 * 7 miles = <<9/7*7=9>>9 miles.
How many miles did Carly run the week she was injured? ** Then subtract the 5 miles reduction from when she was injured: 9 miles - 5 miles = <<9-5=4>>4 miles.
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