Mathematics, 11.02.2021 22:20 longoriafaithe09

Joanna works in a marina (where boats are docked). Boat servicing costs $70, plus $4.50 for each litre of oil. Joanna serviced a boat and made out a bill for $88. How many litres of oil did she use?

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Joanna works in a marina (where boats are docked). Boat servicing costs $70, plus $4.50 for each lit...