She could try to reduce variable costs
Answer: 32
Step-by-step explanation:
128 divided by 4 is 32 so u get 32 and 4 and multiply it and you get 32.
The candle would burn for 18 hours.
45 / 15 = 3
If the candle is three times longer than normal, it will burn three times longer than normal.
3 x 6 = 18
1) 1 1/6
2) 1 1/6
4) 5 1/ 18
hope you got your answer i didn't know what number 3 was so i did the rest