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Yves bought 420 tropical fish for a museum display. He bought 6 times as many parrotfish as angelfish. How many of each type of fish did he buy?


Which is a system of equations to model the problem if x represents the number of angelfish Yves bought and y represents the number of parrotfish he bought?


A.

x + y = 6

y = 420x


B.

x + 6y = 420

y = 6x


C.

x – y = 420

y = 6x


D.

x + y = 420

y = 6x

Please Help Thank you who ever dose and thi is all one Question :)

Verified Answer :

emmawshomper

the answer would be d , because you have to add how many of each fish to equal up to the sum of 420 . which is x y . so the first equation is x + y = 420 . then it says he bought 6 times as many parrotfish as he did angelfish so you would have to multiply x which represents angelfish by 6 . to get the second equation of y = 6x .

Answer:

The answer is D.

Step-by-step explanation:

x + y = 420

y = 6x

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