Traditional Culture Encyclopedia - Travel guide - Party A, Party B and Party C travel to other places by bus.
Party A, Party B and Party C travel to other places by bus.
Suit: The weight of free luggage is X kilograms.
We take the cost of the overweight part per kilogram as the condition of the equation.
( 150-3X)÷4 =( 150-X)÷8
Multiply both sides by 8,
2( 150-3X)= 150-X
300-6X= 150-X
150=5X, x = 30kg kg.
Each person can carry 30 kilograms of luggage for free.
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