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Mathematics 13 Online
OpenStudy (anonymous):

QUIZ TIME : RULES : The questions will be not hard, they all will be easy. The one who answers first and picks it right gets +4 marks, the second one should NOT give answer directly, he must write a little hint for the solution and if it is correct then he will get +2 marks. NEGATIVE MARKING = (-1) So, friends are you ready?

OpenStudy (anonymous):

Ready!

OpenStudy (anonymous):

First question: If it takes Maria an hour to cut a board into four pieces, how long will it take Maria to cut another identical board into seven pieces? (Assume she is cutting at the same speed and the two boards are identical)

OpenStudy (anonymous):

1:45

OpenStudy (anonymous):

two hours

OpenStudy (anonymous):

@robz8 Wrong! (-2) @giolefpatceid Wrong! (-2) @robz8 You redeemed yourself! (+4) Who wants to provide an explanation for why 2 hours is correct for 2 points?

OpenStudy (anonymous):

can i explain? hahaha

OpenStudy (anonymous):

4 pieces -> 3 cuts (20 min per cut) 7 pieces -> 6 cuts (120 min->2h)

OpenStudy (anonymous):

@giolefpatceid You redeemed yourself! (2 points)

OpenStudy (anonymous):

Standings: @robz8 2 Points! NEXT QUESTION: What is famous about the function y=sin(1/x)

OpenStudy (anonymous):

I don't know

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