contestada

a) The ratio 20 minutes to 1 hour can be written in the form 1:n.
Find the value of n.
n =
b) The scale on a map is 1 : 25000
How many kilometres on the ground is represented by 9 cm on the map?

Respuesta :

johnstonj59

Answer:

a) 1:3

b) 9:225,000

Step-by-step explanation:

A)

1 hour is equal to 60 minutes. Written as a fraction it would look like

[tex]\frac{20}{60}[/tex] which would be equal to [tex]\frac{1}{3}[/tex], or [tex]1:3[/tex]

B)

Just multiply both sides of the ratio by 9, you will get [tex]9:225,000[/tex]

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