Earths land resources

Question

All of earths land not covered by oceans equals 32 billion acres. How many acres are suitable for farming 

Answer 1

At the time of this writing, the most recently available statistics pertain to 2010, at which point the World Bank reported that about 37.7 percent of the world’s total land area was considered agricultural land,

 

Does your teacher/book agree with this?

 

If so, then:

 

.377 x 32, 000, 000, 000 = ?

 

You take it from here.