A map has a scale of 1 cm : 21 km. Two cities are 3.1 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance?

A) 86.1 km
B) 170.1 km
C) 65.1 km
D) 68.2 km

Question

18-06-2016
Mathematics

contestada

A map has a scale of 1 cm : 21 km. Two cities are 3.1 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance?

A) 86.1 km
B) 170.1 km
C) 65.1 km
D) 68.2 km

Respuesta :

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Аноним Аноним · Answer 1 · 2016-06-26T19:58:58+02:00

To answer the problem above, use the concept of ratio and proportion. The ratio between 1 cm to 21 km should be the same as the ratio of 3.1 cm to the actual distance. Let x be the unknown actual distance and mathematically express the situation,

(1 cm/ 21 km) = (3.1 cm / x km)

This equation gives a value for x which is 65.1 km. Therefore, the answer is letter C.

javierarileylotts javierarileylotts · Answer 2 · 2020-11-03T17:42:21+01:00

javierarileylotts javierarileylotts

03-11-2020

Answer: 65.1

Step-by-step explanation:

hope this helps

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A map has a scale of 1 cm : 21 km. Two cities are 3.1 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance? A) 86.1 km B) 170.1 km C) 65.1 km D) 68.2 km

Respuesta :

Otras preguntas

A map has a scale of 1 cm : 21 km. Two cities are 3.1 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance?

A) 86.1 km
B) 170.1 km
C) 65.1 km
D) 68.2 km