Respuesta :

Write a proportion. 16/19.69=25/x, then solve.
Hello!

We must find out how much each key chain costs:

19.68 / 16 = 1.23

Each key chain costs $1.23. Multiply by 25 key chains:

1.23 * 25 = 30.75

FINAL ANSWER ~ 25 Key Chains cost $30.75.