Question
PSLE
Three boys collected cards. Luke collected 4r cards which was one quarter as many as what Charlie collected. Mark collected 7 cards less than Luke. How many cards 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 cards. Luke collected 4r cards which was one quarter as many as what Charlie collected. Mark collected 7 cards less than Luke. How many cards did they collect altogether? Give the answer in terms of r in the simplest form.