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Joanna works in a marina. Boat servicing costs $70.00, plus $4.50 for each litre of oil. Joanna serviced a boat and made out a bill for $88.00. How many litres of oil did she use?(use equations)
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Joanna works in a marina. Boat servicing costs $70.00, plus $4.50 for each litre of oil. Joanna serviced a boat and made out a bill for $88.00. How many litres of oil did she use?(use equations)

User Derek E
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1 Answer

8 votes
$88.00 minus $70.00 base fee is $18.00 then you divide that by $4.50.
The answer is 4 liters.
User Curycu
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4.7k points
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