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What is the girl's average speed between 10 seconds and 30 seconds?
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2 votes
What is the girl's average speed between 10 seconds and 30 seconds?

User Shawn Lauzon
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1 Answer

6 votes
The girls average speed is 20. You simply just add 30+10= 40 ÷ 2= 20
User Suleman C
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