Respuesta :

Answer is $30.75

19.68÷16=1.23

1.23×25=30.75
16 keychains --- $ 19.68

1 keychain --- $ [tex]( \frac{19.68}{16}) [/tex] = $ 1.23

Hence,

25 keychains --- $ (1.23 × 25) = $ 30.75

Hence, the answer is $ 30.75