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Mathematics 21 Online
OpenStudy (shelby1290):

570 people die from smoking related diseases every day. a) How many people die from smoking related diseases every hour b) How many people die from " " every week c) " " every year *** I NEED TO CHECK MY ANSWERS ***

OpenStudy (anonymous):

570/24

OpenStudy (anonymous):

570/7

OpenStudy (goten77):

well if 570 people die in 1 day then we can solve how many die in a hour 1 day has 24 hours so 570/24 will let us know how many die in 1 hour if we wanna know how many die in a week then we use what we know about how many die in a day in 1 day 570 die... and a week has 7 days so the total deaths in 1 week is 570 x 7

OpenStudy (shelby1290):

for a) i thought i had to do 570 divided by 60 because there are 60 mins in an hour

OpenStudy (shelby1290):

and for b) 570 divided by 7

OpenStudy (shelby1290):

c) 570 divided by 365

OpenStudy (shelby1290):

but i guess im wrong

OpenStudy (shelby1290):

am i right? or are you? lol sorry im confused because you haven't answered yet

OpenStudy (goten77):

shelby you dont divide by 60 cause were not dealing with minutes and how many die.. were dealing with hours first to make it simple 1 day = 24 hours 1 day also has 570 people who die but we wanna know how many die in just 1 hour so we divide 24 by 24 which gives us 1... meaning 1 hour now we divide 570 by 24 to give us how many die in 1 hour... the 24 comes from the fact t hat 24/24 is equal to 1.. and 1 represents just 1 hour

OpenStudy (shelby1290):

ah i see what about b and c ? do you just multiply

OpenStudy (shelby1290):

to be more accurate by 7 and 365

OpenStudy (goten77):

on part b yes you just multiply because we know in 1 day 570 people will die but we wanna know how many die in a week we also know that 1 week = 7 days so we just multiple 7 days x 570 which is 7 x 570

OpenStudy (shelby1290):

what about part c...same thing?

OpenStudy (goten77):

part c is a little trick cause of a few things first off a year is assumed to be one of two things either a year is 365 days or 52 weeks.... either way the answer can be a little different but also people may consider the fact that there is some times a leap year or a day that is longer/shorter thus creating a year which last a different amout of time.... either way you approach it heres both if its 365 days then we do 365 x 570 because thats representing 365 days and the 570 people who die each day making it 365 x 570 the other way is just 52 x how ever many died in a week but this version may round more... honestly your better off with the 365 x 570 since it includes each day rather then some partial rounding.. usually its given how long they want a year to be represented

OpenStudy (shelby1290):

Okay i understand. thank you!

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