Question: The jar below has 21 marbles in it. Use it to answer item 29. 29. 30. About how many marbles will be in the jar

The jar below has 21 marbles in it. Use it to answer item 29. 29. 30. About how many marbles will be in the jar when it is full? 8o @ 60 so 40 Each student in a class will be giving a speech. Each student's speech should last betwe; and 10 minutes. Which of the following is the best estimate for the least number of stuc speeches that could be given in a 2-hour class? @ 4 speeches @ 8 speeches @ 11 speeches @ 19 speeches

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