Question

If 16 key chains cost $19.68, then 25 key chains cost?

Answer 1

Answer is $30.75

19.68÷16=1.23

1.23×25=30.75

Answer 2

16 keychains --- $ 19.68

1 keychain --- $ $( \frac{19.68}{16})$ = $ 1.23

Hence,

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

Hence, the answer is $ 30.75