Question

Elena bought 320 tropical fish for a museum display. She bought 7 times as manytriggerfish 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 ofparrotfish Elena bought and y represents the number of triggerfish she bought?

Answer 1

tropical fishes bought (total) =320

Parrotfish bought = x

Triggerfish bought = y

x+y = 320 (a)

She bought 7 times as many triggerfish (y) as parrotfish (x)

y= 7x (b)

System of equations:

x+y = 320

y= 7x