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Question
Anita has to drive from village A to village B. She measures a distance of 3.5 cm between these villages on the map. What is the actual distance between the villages if the map scale is 1 cm = 20 km?
Anita has to drive from village A to village B. She measures a distance of 3.5 cm between these villages on the map. What is the actual distance between the villages if the map scale is 1 cm = 20 km?
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Solution
The correct option is B 70 km
Given:
Distance from village A to B on the map = 3.5 cm
Scale of map 1 cm = 20 km
Let actual distance = x km
So, 1: 3.5 = 20: x
1/3.5 = 20/x
x = (20 × 3.5)/1
x = 70 km
∴ Distance between village A and village B is 70 km.
Given:
Distance from village A to B on the map = 3.5 cm
Scale of map 1 cm = 20 km
Let actual distance = x km
So, 1: 3.5 = 20: x
1/3.5 = 20/x
x = (20 × 3.5)/1
x = 70 km
∴ Distance between village A and village B is 70 km.
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