Answer:
0.216667
Explanation:
1 yard= 3 feet
1 min = 60 seconds
Therefores
1 yd/ min= 180 ft/sec
39/ 180 = 0.216667 yd/s or
1yd=3ft...so 39ft=(39/3)=13yds
1mins =60seconds
13/60=0.22yds/secs
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