Question
Vanessa, Fanny and Abi collected some balls. Vanessa had thrice as many balls as Fanny, and Fanny had 13 more balls than Abi. If they had a total of 122 balls, how many less balls did Fanny have than Vanessa?
4 m

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Vanessa, Fanny and Abi collected some balls. Vanessa had thrice as many balls as Fanny, and Fanny had 13 more balls than Abi. If they had a total of 122 balls, how many less balls did Fanny have than Vanessa?