Step-by-step explanation:
3 sticks of butter make 24 cookies
which means we multiplied 3 by 8
then we devide 16 cookies by 8 which is 2 (as you did)
therefore 5 multiplied by 8 equals 40
|-16| means 16. Remember, Absolute Value is ALWAYS positive. Good luck!!
You can answer this by system of equations:

the answer will be
8 candles and 16 soap
good luck