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Ryan had some blue and green buttons. 3/7 of the buttons are blue and the rest were green. He gave away 2/5 of his buttons. 80 of the buttons given away were blue. 2/3 of the buttons left were green. How many buttons did Ryan have altogether at first?

 Jun 16, 2021
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See here  :    https://web2.0calc.com/questions/help-with-math_20

 

 

cool cool cool

 Jun 16, 2021

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