Question
PSLE
Three boys collected buttons. Billy collected 5r buttons which was one quarter as many as what Simon collected. Paul collected 9 buttons more than Simon. How many buttons did they collect altogether? Give the answer in terms of r in the simplest form.
2 m

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PSLE
Three boys collected buttons. Billy collected 5r buttons which was one quarter as many as what Simon collected. Paul collected 9 buttons more than Simon. How many buttons did they collect altogether? Give the answer in terms of r in the simplest form.