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Mathematics 15 Online
OpenStudy (anonymous):

solve please

OpenStudy (anonymous):

@nikato @arcanechaos

OpenStudy (anonymous):

this is my last one !

OpenStudy (anonymous):

We cannot give you direct answers hon.

OpenStudy (anonymous):

im not asking for that .

OpenStudy (anonymous):

I know, just saying.

OpenStudy (anonymous):

Tbh, I am thinking the second since it is legible choice

OpenStudy (anonymous):

how ?

OpenStudy (anonymous):

IDK lol

OpenStudy (nikato):

Ok. This is going to be lengthy. Let p= # of pop songs r=rock h=hip hop. And these are all for mark

OpenStudy (anonymous):

..

OpenStudy (nikato):

Set up 3 equaions p+r+h=10 5p+2r+3h=28 3p+3r+h=20

OpenStudy (anonymous):

ok got it so far

OpenStudy (nikato):

To make this easier. We're gonna it 1, 2,3 First u want to subtract 3-1

OpenStudy (nikato):

*number the equations 1 2 3

OpenStudy (anonymous):

ok so i got 2p + 2r = 10

OpenStudy (nikato):

Correct and let's name this 4. Next multiply #1 by 3 Then subtract 2-1

OpenStudy (anonymous):

3p + 4r = 30

OpenStudy (nikato):

No. Should be 2p-r=-2 5p+2r+3h=28 - (3p+3r+3h=30) -------------------- 2p-r=-2 Does this make sense? I'm sorry if the wording before was confusing . And lets name this 5

OpenStudy (anonymous):

ok

OpenStudy (nikato):

Ok. Now 4-5

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