an tank contains 30 whole 2 by 5 of oil it is then filled with 37whole 2 by 3 more liter 37 whole 2 by 3 litre and 20 whole 2 by 3 litre of oil is pumped out on two different occasions find the volume of oil left in the tank
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Answer:
47 whole 2/5 litres
Step-by-step explanation:
Initial volume of oil = 30 whole 2/5 = 152/5 litres
Volume of oil filled = 37 whole 2/3 = 113/3 litres
total volume = 152/5 + 113/3 = 1021/15
Volume of oil pumped out = 20 whole 2/3 = 62/3 litres
volume of oil left in tank = 1021/15 - 62/3 = 711/15 litres = 237/5 = 47 whole 2/5 litres
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