SOLUTION: One task took 7 minutes (min), a second task took 12 min, and
a third task took 21 min. How long did the three tasks take, as a fraction of an
hour?
I don't understand how
Algebra.Com
Question 326129: One task took 7 minutes (min), a second task took 12 min, and
a third task took 21 min. How long did the three tasks take, as a fraction of an
hour?
I don't understand how to do this?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Sum the times.
minutes
What fraction of a hour is 40 minutes?
.
.
.
It took him hrs.
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