Respuesta :

29. 4160 • 25/26 = 104000/26

104000/26 = 4000

The Amazon River is 4000 miles long.

30. 20 3/4 • 5 = 20 • 5 + (3/4 • 5)

100 + 15/4 = 100 + 3 3/4 = 103 3/4

Magda will use 103 3/4 inches of wire