jasalina
28.06.2019 •
Mathematics
In your marble collection 4/7 if the marbles are blue and 4/21 marbles are red how many more blue marbles than red marbles?
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Ответ:
the answer is 8/21
hope this
Ответ:
This is because 2/3 of an hour is 40 minutes and 3/4 of 40 is 30. 40-30=10. Therefore it took Bethany 10 more minutes to do her science homework than it did her math.