If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

# Time word problem: Susan's break

Dive into the concept of converting units of time, specifically minutes into hours. Understand the importance the relationship between these units and demonstrates how to apply this knowledge to solve real-world problems involving time intervals. Created by Sal Khan.

## Want to join the conversation?

• How much minutes in a year
• You can multiplicate 365 days per 24 hours per 60 minutes and that will give you 525600 minutes.
• How do we find minutes in the seconds that is given in the question, ex; How many minutes is 5100
• a exapmle is that a minute is 60 sec a hour is 3600 sec. so 5100-3600 is 1500 sec. 1500 sec/60 25 85 min
• how many hours are there in a year?
• There are 8765.999 hrs in a year
• What's the difference between and ?
• I don't understand why he does't just add to then he could subtract from i think that's how you could do it. ''right''
• hi Oliva, since time isn't in base 10, you can't subtract the way you could subtract 100-10. for example, if you subtracted from ,and used addition/subtraction in the way we do it(base 10) then you would end up with 1:90, which is not possible because there are only 60 minutes in an hour.
• is so close to 🚗
• do you have to convert all measurment
(1 vote)
• Not always, unless your answer has to be in another measurement. If it can stay in the first unit of measurement, Then you don't have too.
• how many milliseconds are in a year
(1 vote)
• 3.154e+10, or 3.154 * (10 ^ 10)
31,540,000,000
(1 vote)
• this is hard can someone help me please
(1 vote)
• Whenever you don't understand something follow along with the video.
(like write down everything he writes down!)

This helps me a lot!