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Mathematics 18 Online
OpenStudy (anonymous):

Algebra One Help: Question Below! :)

OpenStudy (anonymous):

A 10−gallon container of water costs (y + 2) dollars while a 5−gallon container of water costs (y − 2) dollars. If the price per gallon of water is the same for both containers, the equation below can be used to solve for y. y+2/10 = y-2/5

OpenStudy (anonymous):

are you sure that is the equation

OpenStudy (anonymous):

\[\frac{ y + 2 }{ 10 } = \frac{ y - 2 }{ 5 }\]

OpenStudy (anonymous):

y=6

OpenStudy (anonymous):

you multipy both sides to find a common denominator

OpenStudy (anonymous):

oops I forgot the question.

OpenStudy (anonymous):

What is the value, in dollars, of y?

OpenStudy (anonymous):

Correct equations. y = $6. Price per gallon is $0.8.

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

the value of y is 6?

OpenStudy (anonymous):

yes here let me show you

OpenStudy (anonymous):

y+2/10=y-2/5 5(y+2/10)=5(y-2/5)

OpenStudy (anonymous):

you get 5y+10/50=10y-20/50

OpenStudy (anonymous):

multiply each side by 50 to cancel them out

OpenStudy (anonymous):

your left with 5y+10=10y-20

OpenStudy (anonymous):

-5y=-30 y=6

OpenStudy (anonymous):

did you get it?

OpenStudy (anonymous):

yeah.

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