In a fish tank there are 5 star fish for every 4 piranhas. Write 3 equivalent ratios. Thank you

10:8 (starfish:piranhas)

20:16 (starfish:piranhas)

15:12 (starfish:piranhas)

Step-by-step explanation:

cheater

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11