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Mathematics 13 Online
OpenStudy (anonymous):

Can you please Help me!! Choose the correct answer. Elena bought 320 tropical fish for a museum display. She bought 7 times as many triggerfish as parrotfish. How many of each type of fish did she buy? Which is a system of equations to model the problem if x represents the number of parrotfish Elena bought and y represents the number of triggerfish she bought? A. x – y = 320 y = 7x B. x + y = 7 y = 320x C. x + 7y = 320 y = 7x D. x + y = 320 y = 7x I think it is D but I am not for sure.

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