human
In 7 days, Sofie will walk twice as far as Brian. If Sofie plans to walk 10 miles every day, how many miles will Brian walk in seven days?
assistant
How many miles will Sofie walk in 7 days? ** If Sofie walks 10 miles each day, she will walk 7*10 = <<10*7=70>>70 miles in seven days.
How many miles will Brian walk in 7 days? ** Since Sofie is walking twice as far as Brian, Brian will walk 70/2 = <<70/2=35>>35 miles in seven days.
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