At first, Ann had some pens while Ben had some markers. Ann then gave 1/2 of her pens to Ben while Ben gave 50% of his markers to Ann. However, Ann lost 12 pens and Ben lost 18 markers. In the end, the ratio of the number of pens to the number of markers became 1:7 for Ann and 1:4 for Ben. (a) How many pens did Ann have in the end? (b) How many markers did Ben have in the end?

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A:

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Q: Ben goes to the grocery store at a rate of 6 times a week. How many times would he be expected to go…

A: topic - ratio and proportion

Q: John makes $24,000 a year and plans on renting an apartment.  He has a monthly car payment of $150…

A: annual income of john = $24000 monthly income of john= $2400012= $2000

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Q: Aliyah had $24 to spend on seven pencils afther buying them she hap $10. how much did each pencil…

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A: