Question
Vanessa, Anna, Eric and Cindy shared some buttons. Vanessa and Anna took 15 of the total number of buttons while Eric and Cindy took the rest. Anna had four times as many buttons as Vanessa and Cindy had 144 buttons. Given that Cindy had four times as many buttons as Anna, how many buttons were there altogether?
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Vanessa, Anna, Eric and Cindy shared some buttons. Vanessa and Anna took 15 of the total number of buttons while Eric and Cindy took the rest. Anna had four times as many buttons as Vanessa and Cindy had 144 buttons. Given that Cindy had four times as many buttons as Anna, how many buttons were there altogether?