Question
Mr Sih's convertible was left with 13 fuel. He added 14 ℓ of fuel to his convertible, it became 59 full. How much more fuel was needed to fill up Mr Sih's convertible?
4 m

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Mr Sih's convertible was left with 13 fuel. He added 14 ℓ of fuel to his convertible, it became 59 full. How much more fuel was needed to fill up Mr Sih's convertible?