Asked by patti help
one task takes 7 mins
second task takes 12 min
third task takes 21 nin
how long dids the 3 tasks take, as a fraction of a hour
7/30+12/30+21/30=40/30 =1 1/3 hr
is that right?
no 2/3
Prinness is correct. There are 60 minutes (not 30) in an hour. So -- your answer would be 40/60 = 2/3 hour.
second task takes 12 min
third task takes 21 nin
how long dids the 3 tasks take, as a fraction of a hour
7/30+12/30+21/30=40/30 =1 1/3 hr
is that right?
no 2/3
Prinness is correct. There are 60 minutes (not 30) in an hour. So -- your answer would be 40/60 = 2/3 hour.
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