please solve this math problem
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x₁ = 1 hour 30 minutes = 60 + 30 = 90 minutes
y₁ = 60 km/hr
x₂ = ?
y₂ =45 km/hr
It is indirect proportion,
x₁y₁ = x₂y₂
60*90 = 45x
5400/45
= 120 minutes
= 2 hours
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