It takes Nancy 15 minutes to walk a mile. How many miles can she walk in one and a half hours?
90 minutes / 15 = ?
1 hour=60 min=4*15 min
half hour=30min=2*15 min
4+2=6
6*1=6 miles
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To find out how many miles Nancy can walk in one and a half hours, we need to convert the time from hours to minutes.
Since there are 60 minutes in one hour, we can multiply the number of hours by 60 to get the total minutes.
1.5 hours * 60 minutes/hr = 90 minutes
Now, we know that Nancy takes 15 minutes to walk one mile. So, we can divide the total minutes by the time it takes to walk one mile to find out how many miles she can walk.
90 minutes / 15 minutes/mile = 6 miles
Therefore, Nancy can walk 6 miles in one and a half hours.