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Mathematics 9 Online
OpenStudy (shelby1290):

Justine's mother is building an ultralight airplane. The fuel tank is made of plastic and has a mass of 5000g. Each litre of gasoline has a mass of 840g. The total mass of the fuel plus the tank cannot exceed 21 800g. a) Write an equation that models the number of litres of gasoline that the tank may hold. Identify the variables. b) Solve your equation to determine the number of litres of fuel in a full tank. State your answer.

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