Answer:
18 logs.
Step-by-step explanation:
Since a stove burns 4 logs per 2 hours, then the stove will burn 2 logs in one hour. There fore in 9 hours the stove will burn 2*9 which is 18 logs.
4:2= 2 logs per hour
2*9=18 logs per 9 hours.
There are many ways to solve this. I think the easiest way for this one is to add the equations up.

The you solve that, now that y is gone. You get x=2.
Now plug in x into one of the original equations.

Finish solving, and you get y=8.
The answer is (2,8)
14 years. In 14 years Chloe will be 22 and Sheila will be 28. 22+28 is 50.
"<span>A health maintenance organization (HMO) is a type of managed healthcare system. "
</span>
HMO, confirmed.