Pregunta 4:
[tex]\frac{11m}{1km} =\frac{55m}{x} \\\\x = \frac{(55m)(1km)}{11m} \\\\x = \frac{55km}{11}\\\\x = 5km[/tex]
pregunta 5
[tex]\frac{8}{5} = \frac{32}{Casas}\\ \\casas = \frac{5(32)}{8}\\\\Casas = \frac{160}{8}\\\\Casas = 20[/tex]
Pregunta 6
[tex]\frac{30 km }{2 h} = \frac{D}{7h}\\\\\frac{(30km)(7h)}{2h} = D \\\\\frac{210 km}{2} = D\\\\105 km = D[/tex]
Pregunta 7
[tex]\frac{3}{7} = \frac{ E}{21}\\\\\frac{3(21)}{7} = E\\\\\frac{63}{7} = E\\\\9 = Elefantes[/tex]
Eternamente axllxa
