Question

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
Question Resources
First answer will get Brainiest answer

Answer 1

X+y = 320 y = 7x ..............