Question
Wei Qiang had $87. He bought a necklace and a sweater. The sweater cost $21.40. Wei Qiang had $12.70 left. How much did the necklace cost?
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Wei Qiang had $87. He bought a necklace and a sweater. The sweater cost $21.40. Wei Qiang had $12.70 left. How much did the necklace cost?