Which system of equations models this problem?
The variable x represents the number of angelfish Carlos bought and the variable y represents the number of parrotfish he bought.
Carlos bought 405 tropical fish for a museum display. He bought 8 times as many parrotfish as angelfish. How many of each type of fish did he buy?
A
x-y=405
y=8x
B
x+y=405
y=8x
C
x+y=8
y=405x
D
x+4y=8
y=405x
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