Answer:
197,250
Step-by-step explanation:
2.5 * 0.04 * 250 * 8 * 1.25 * 789
0.1 * 250 * 8 * 1.25 * 789
25 * 8 * 1.25 * 789
200 * 1.25 * 789
250 * 789
789/4 * 1000
197.25 * 1000
197,250
For this case the first thing you should know is the following unit conversion.
1 BTU = 0.25 Kilocalories
We then have the following numerical value:

Applying the conversion of units we have:

Canceling units we have:
Answer:
This is 20000 kilocalories per hour
Hello,
The answer is option B "7".
Reason:
Negative divided by a negative is a positive therefore....
-42/-6=7
=7
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit