Answer: not sure if this is finished but i would say 4n
ANSWER:

STEP-BY-STEP EXPLANATION:
We have the following inequality

solvinfg for w:
100,000/63 = 1587.3
63 goes into 100,000 approximately 1587 times
hope this helps
Answer:
It will take 58 seconds
Step-by-step explanation:
If you have 1 kg of water in the jar, half of it will be 0.5 kg.
To vaporize half of the water (0.500 kg) the energy supply needed is

If the stove is supplying 20 kJ/s, the time its needed is

It will last at least 58 seconds to vaporize half of the water.
X-2=6x+18
-x -x
-2=5x+18
-18 -18
-20=5x
x=-4