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mariarad [96]
3 years ago
13

a dog runs 54km in just 3days ,it runs 2km more each day . how many kilometers does it run for the first 2 days?

Mathematics
2 answers:
Lesechka [4]3 years ago
7 0

Let x be the distance it runs on the first day, then:-


x + x + 2 + x + 4 = 54


3x + 6 = 54

3x = 54 - 6 = 48

x = 48/3 = 16 km


So for the first 2 days it runs 16 + 18 = 34 km. Answer

MatroZZZ [7]3 years ago
4 0

Answer


34 Km


Explanation

Assuming that the dog ran x Km the first day, 

1st day = x km

2nd day = (x+2)

3rd day = (x+2)+2 = (x+4) Km

So we have,

x + (x+2) + (x+4) = 54

3x + 6 =54

3x = 54-6

3x = 48

x = 16 Km.

∴  

1st day = 16 Km

2nd day = 16 + 2 = 18

Total distance for the first 2 days = 16 + 18 = 34 Km

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