Question
Abi, Emma and Barbara collected some beads. Abi had thrice as many beads as Emma, and Emma had 12 more beads than Barbara. If they had a total of 158 beads, how many less beads did Emma have than Abi?
4 m

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Abi, Emma and Barbara collected some beads. Abi had thrice as many beads as Emma, and Emma had 12 more beads than Barbara. If they had a total of 158 beads, how many less beads did Emma have than Abi?