Question

10) A 250-litre tank empties in 2 hour 30 minutes due to a leakage. How long will it take for of 9/10 the tank to drain?​

Answer 1

Answer:

2 he 15 min

Step-by-step explanation:

2 hour 30 min = 150min

$\frac{9}{10} of \: 150 = \frac{9}{10} \times 150$

135 min = 2hr 15 min