Question
PSLE
Lee had a total of 45 blue and red pens. After selling an equal number of both types, he had 23 of the blue pens and 13 of the red ones left. What was the total number of pens sold?
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PSLE
Lee had a total of 45 blue and red pens. After selling an equal number of both types, he had 23 of the blue pens and 13 of the red ones left. What was the total number of pens sold?