Vehicle tank

A vehicle tank was 3/5 full of petrol. When 21 liters of fuel was added, it was 5/6 full. How many liters of petrol can the tank hold?

Final Answer:

V =  90 l

Step-by-step explanation:

53V+21=65V  3/5 V+21=5/6 V  7V=630  V=7630=90  V=90=90 l



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You need to know the following knowledge to solve this word math problem:

algebranumbersUnits of physical quantitiesGrade of the word problem

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