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Mathematics 20 Online
OpenStudy (anonymous):

pleaseeee someone help with a word problem!

OpenStudy (anonymous):

A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price of the item. C = 0.765x + 0.06(0.765x) Chris is an employee at the store. He plans to buy a coat during the sale. The price of the coat before the discount is $100. How much will Chris pay for the coat during the sale?

OpenStudy (anonymous):

Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?

OpenStudy (anonymous):

help?

OpenStudy (uh60blackhawk):

0.765*100+0.06(0.765*100)

OpenStudy (anonymous):

for question one or two? and how would i write that out?

OpenStudy (uh60blackhawk):

1

OpenStudy (anonymous):

gotcha

OpenStudy (anonymous):

so would the answer be 76.56?

OpenStudy (uh60blackhawk):

no

OpenStudy (anonymous):

ughhh... i hate math lol

OpenStudy (anonymous):

just 76.5?

OpenStudy (uh60blackhawk):

will solve the problem out side of the bracket first.

OpenStudy (anonymous):

which equals 76.56

OpenStudy (uh60blackhawk):

hold on

OpenStudy (anonymous):

kk

OpenStudy (uh60blackhawk):

ok yes its will be 76.56 now solve the bracket

OpenStudy (anonymous):

that equals 76.5

OpenStudy (uh60blackhawk):

hmm hold on i am getting another answer

OpenStudy (anonymous):

hmm....

OpenStudy (uh60blackhawk):

ok i am sorry solve the bracket first

OpenStudy (anonymous):

which equals 76.56

OpenStudy (anonymous):

what grade u in? haha cuz maybe u havent learned it yet

OpenStudy (uh60blackhawk):

11

OpenStudy (uh60blackhawk):

it should be 76.5

OpenStudy (anonymous):

jk....awkward lol

OpenStudy (anonymous):

ok so then what happens after the 76.5?

OpenStudy (uh60blackhawk):

76.5+.06×76.5

OpenStudy (uh60blackhawk):

you're in algebra one?

OpenStudy (anonymous):

redoing it for a better gpa..

OpenStudy (uh60blackhawk):

o ok

OpenStudy (anonymous):

lol why?

OpenStudy (anonymous):

ok well im def calculating wrong...

OpenStudy (uh60blackhawk):

just wondering i went through algebra and did not like it

OpenStudy (anonymous):

i hate it.....

OpenStudy (uh60blackhawk):

i am using a scientific calculator that why i was only getting the answer. But i don't like giving out answers

OpenStudy (uh60blackhawk):

anyways what did you get

OpenStudy (anonymous):

81.09

OpenStudy (uh60blackhawk):

yes you got it

OpenStudy (anonymous):

so thats all?

OpenStudy (uh60blackhawk):

yea

hero (hero):

Factor out the .765 C = 0.765x + 0.06(0.765x) C = (1 + .06)(0.765x) C = (1.06)0.765x

OpenStudy (anonymous):

thank godddd! i hate math... thank you so much!

OpenStudy (uh60blackhawk):

lol

OpenStudy (uh60blackhawk):

sorry for that long wait i am tried.

OpenStudy (anonymous):

its fine! if u feel like have more fun dont hesitate for another word problem! haha ;)

OpenStudy (uh60blackhawk):

I really don't like the word problems lol

OpenStudy (anonymous):

hahaha well thank you for helping on that one! :)

OpenStudy (uh60blackhawk):

your welcome.

OpenStudy (anonymous):

:)

hero (hero):

Reducing the problem to a simpler form makes life easier C = (1.06)0.765x C = (1.06)0.765(100) C = 1.06(76.5)

OpenStudy (anonymous):

got it! thxs!

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