Answer:
= 
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that

= 
= 
= 
= 
Answer:
9
Step-by-step explanation:
.9*10=10
it's basically simple multiplication with a decimal
Answer:
5:15
Step-by-step explanation:
15:55 = 3:55 in normal time
3:55 + 1 hr = 4:55
4:55 + 20 min = 5:15