The blank box should be equal to 4
You would do 200 times 1.58 and that gets you 316 hope this helps :)
Answer:
Step-by-step explanation
The desert basins of the Gobi are bounded by the Altai Mountains and the grasslands and steppes of Mongolia on the north, by the Taklamakan Desert to the west, by the Hexi Corridor and Tibetan Plateau to the southwest and by the North China Plain to the southeast.
I'm pretty sure its 127.8
This would be:

Using common denominator of 6:

They should use

of their time.