Question

a tank is 2/5 full. if 16 litres of water is added to the tank,it becomes 6/7 full.the capacity of the tank is

Answer 1

Answer:

Step-by-step explanation:

Let the capacity of the tank be x litres.

Then, (6x/7 - 2x/5) = 16 <=> 30x - 14x = 16*35 <=> x = 35

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