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Mathematics 3 Online

OpenStudy (pinklion23):

What is the ratio of x to y? http://static.k12.com/bank_packages/files/media/mathml_d2fcf9c2ed0966613148e0b0b0f4e3b8466b9689_1.gif A. -3 B.-1 /3 C.1/3 D.3

11 years ago

OpenStudy (baby_bear69):

3/5=x/(x+2y) multiply both side by x+2y (cross multiply) x=3/5 x (x+2y) x=3x/5 + 6y/5 x=(3x+6y)/5 multiply both side by 5 5x=3x+6y subtract both side by 3x 2x=6y simplify both side by 2 x=3y divide both side by y x/y=3

11 years ago

OpenStudy (pinklion23):

so x/y=3 so D?

11 years ago

OpenStudy (pinklion23):

@Baby_Bear69

11 years ago

OpenStudy (baby_bear69):

yep (:

11 years ago

OpenStudy (pinklion23):

THX!

11 years ago

OpenStudy (baby_bear69):

You're welcome!!

11 years ago

OpenStudy (pinklion23):

can you help me with another

11 years ago

OpenStudy (baby_bear69):

i can try, no promises :0

11 years ago

OpenStudy (pinklion23):

okay all the help you give me will be appreciated

11 years ago

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