Question

Solve it please friends। ​

Answer 1

Step-by-step explanation:

let the distance between two countries be 'x'

t¹ = x/450 h

t² = x/300

total time = x/450+x/300

= 2x+3x = 5x

______ ____ h

900 900

but the total time = 15 h (given)

5x / 900 = 15

→ x = 15 × 900/5

→ x = 2700 km

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