contestada

Erin is a member of her school’s track team. Last week, she ran 8 1/2 laps around the track in 30 minutes. This week, Erin ran for
30 minutes at a constant rate of 2 1/2 minutes per lap. How many more laps did Erin run this week than last week?

Respuesta :

Erin ran 3 1/2 more lap then last week with a total of 12 this week. to solve divide 30 by 2 1/2 and then subtract 8 1/2

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