Respuesta :

[tex]\bf \begin{array}{ccll} \stackrel{cms}{map}&\stackrel{kms}{actual}\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 1&45\\ 2&a \end{array}\implies \cfrac{1}{2}=\cfrac{45}{a}\implies a=\cfrac{2\cdot 45}{1}[/tex]

Answer:

90 km

Step-by-step explanation:

Hope this helps