Asked by Janiyah
After selling half their card collections, DeShawn and Stephanie each buy 9 new cards. What is the ratio of the number of cards DeShawn has to the number Stephanie has?
Answers
Answered by
oobleck
If they started out with d and s cards, respectively, then
(d/2 + 9)/(s/2 + 9) = (d+18)/(s+18)
(d/2 + 9)/(s/2 + 9) = (d+18)/(s+18)
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