Question
PSLE
Three boys collected erasers. Sean collected 3n erasers which was half as many as what Henry collected. Sam collected 9 erasers more than Henry. How many erasers did they collect altogether? Give the answer in terms of n in the simplest form.
2 m

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PSLE
Three boys collected erasers. Sean collected 3n erasers which was half as many as what Henry collected. Sam collected 9 erasers more than Henry. How many erasers did they collect altogether? Give the answer in terms of n in the simplest form.