I dont understand what to do for his question that I too a screenshot of.
1 answer:
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Given that,
An oil company fills 1 over 10 of a tank in 1 over 5 hour.
To find,
How long it will take for the tank to fill completely.
Solution,
Let it takes t time to fill the tank completely. It can be calculated as follows :
Hence, the rate is "1 over 10 • 5 hours ". The correct option is (b).