Question
Mr Leow's van was left with 13 fuel. He added 36 ℓ of fuel to his van, it became 79 full. How much more fuel was needed to fill up Mr Leow's van?
4 m

Click button first when a symbol is required. X

Mr Leow's van was left with 13 fuel. He added 36 ℓ of fuel to his van, it became 79 full. How much more fuel was needed to fill up Mr Leow's van?