To protect themselves from extreme hot or cold temperature american alligator dig burrows in the mud suppose there are 20 alligators each with 50 feet of burrows what is the total length of all the burrows?

Multiply 50 by 20 and you have your answer which is 1000

It says 20 alligators each with 50 feet of burrows, you can think of the word "each" is the same as "multiply", so now that way you can put it into an equation. So 20 x 50 = 1000   
                                                                  

You must find the surface of the block therefore 98187 dived by 5628 = 583m squared