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Mathematics 15 Online
OpenStudy (anonymous):

Suppose you spent $74.95 for a shirt and a jacket. The shirt cost $20.25. Solve the equation 20.25+j=74.95 to find how much you spent on the jacket. You can work a simpler problem to estimate an answer. Use number sense to solve 20+j=75

OpenStudy (anonymous):

They've given you the formula. You just need to solve for \(j\).

OpenStudy (anonymous):

i'm really bad at math

OpenStudy (anonymous):

If I told you 4 plus a number equals 9, how would you figure out what "the number" is? Tell me your process.

OpenStudy (anonymous):

9-4

OpenStudy (anonymous):

??

OpenStudy (anonymous):

Exactly! Good.

OpenStudy (g152xx):

5

OpenStudy (anonymous):

So now do the same thing for your question. It's the exact same thing.

OpenStudy (anonymous):

so it would be 74.95-20.25?

OpenStudy (anonymous):

20.25 plus a number(\(j\)) equals 74.95.

OpenStudy (anonymous):

"so it would be 74.95-20.25?" Yes, it would. Good job. :)

OpenStudy (g152xx):

Yes.

OpenStudy (anonymous):

going to be a fan of u

OpenStudy (anonymous):

fan back

OpenStudy (g152xx):

54,7

OpenStudy (g152xx):

So what's the best reseponse so far?

OpenStudy (anonymous):

i have another question

OpenStudy (anonymous):

see if u can help

OpenStudy (g152xx):

shoot

OpenStudy (anonymous):

wat?

OpenStudy (g152xx):

you said "i have another question" and I replied "shoot"

OpenStudy (anonymous):

i give out really hard questions i dont get

OpenStudy (anonymous):

exactly how old r u?

OpenStudy (g152xx):

24

OpenStudy (anonymous):

20

OpenStudy (g152xx):

nice2meet you smartboy23

OpenStudy (anonymous):

u too

OpenStudy (anonymous):

i'm not actually smart

OpenStudy (anonymous):

i didnt know what to use for a username

OpenStudy (g152xx):

you cant ask a question in another question. chooer.se the best response, close it, then ask another

OpenStudy (g152xx):

@

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

when burned, 18 gallons of gasoline produce about 360 pounds of carbon dioxide. solve the equation 18n=360 to find how much carbon dioxide 1 gallon of gasoline produces.

OpenStudy (anonymous):

you divide by 18 on both sides to get the answer

OpenStudy (anonymous):

so wat is the answer?

OpenStudy (g152xx):

20 I think.

OpenStudy (anonymous):

can u show me how?

OpenStudy (g152xx):

I can't now, i gotta leave. Sorry

OpenStudy (g152xx):

there are plenty of people around who can show you in minutes.

OpenStudy (anonymous):

i got you

OpenStudy (anonymous):

360 = 18x if you divide by 18 you would get 20 because if 10 x 18 = 180 then 20 x 18 would be double that and 180 x 2 = 360

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