find the average of 1 hours 15 minutes , 2 hours 25 minutes , 3 hours 35 minutes and 4 hours 15 minutes
Answers
Answered by
1
Step-by-step explanation:
average=75+145+215+255/4
498.5 is the answer....
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Answered by
1
Answer:
solve:.75+145+215+255/4
=690/4
=345/2
=172.5ans
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