Liliana is using dark power crystals to raise an army of zombies. Each dark power crystal can raise 12 zombies. How many dark power crystals does Liliana need to raise 60 zombies?

5

Step-by-step explanation:

1 crystal can raise 12 zombies

x crystals can raise 60 zombies

This is a problem involving ratio-and-proportion./

1/x = 12/60

Reduce the fraction to lowest terms 1/x = ⅕

Multiply each side by x 1 = x/5

Multiply each side by 5 x = 5

Lilliana needs five dark power crystals to raise 60 zombies.