Question
Fiona has 30% as many buttons as Yoko and 80% less buttons than Joelle. If they have a total of 140 buttons, how many buttons do Yoko and Joelle have?
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Fiona has 30% as many buttons as Yoko and 80% less buttons than Joelle. If they have a total of 140 buttons, how many buttons do Yoko and Joelle have?