Question

The basketball game lasted 1 hour and 40 minutes. If the game started at 7:30 p.m., what time did it end?

(Answer:_:__)​

Answer 1

21:10 (24-hour clock) or 9:10 ( 12-hour clock)

Explanation:

Two ways it can be solved:

Starting time: 7:30

Game lasted- 1 hour and 40 minutes

Ending time-?

• 7:30 is converted to 24 hrs timing clock:

∴ hr I min

7 : 30 pm

+ 12 : 00

___________

= 19 : 30

Then, hr I min

19 : 30

+ 1 : 40

______________

= 20 : 70

+ 1 : - 60

______________

= 21 : 10

So it ended at 21:10 (24-hour clock) or 9:10 ( 12-hour clock).

• or you can just add up :

hr I min

7 : 30pm

+ 1 : 40

________

= 8 : 70

+ 1 : - 60

_________

= 9 : 10 pm

Answer 2

9:10pm

Explanation:

the game ended at 9:10pm