Question
PSLE
The original price of a pencil was $w. Sam bought 12 pencils. He was given a discount of $1 for every 3 pencils. How much did he pay altogether?
2 m

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PSLE
The original price of a pencil was $w. Sam bought 12 pencils. He was given a discount of $1 for every 3 pencils. How much did he pay altogether?