Minutes 5573

What takes longer?

(a) 0.31 an hour or 31 minutes
b) 0.25 hours or 15 minutes
c) 0.85 minutes or 50 seconds?

Correct answer:

t1 =  18.6 min
t2 =  15 min
t3 =  51 s

Step-by-step explanation:

t1=0.31 60=18.6 min t1 < 31  min
t2=0.25 60=15=15 min t2 = 15  min
t3=0.85 60=51 s t3>50  s



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