Question
Fanny, Ivory, Tommy and Esther shared some erasers. Fanny and Ivory took 16 of the total number of erasers while Tommy and Esther took the rest. Ivory had four times as many erasers as Fanny and Esther had 72 erasers. Given that Esther had twice as many erasers as Ivory, how many erasers were there altogether?
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Fanny, Ivory, Tommy and Esther shared some erasers. Fanny and Ivory took 16 of the total number of erasers while Tommy and Esther took the rest. Ivory had four times as many erasers as Fanny and Esther had 72 erasers. Given that Esther had twice as many erasers as Ivory, how many erasers were there altogether?