Rosie J.
asked • 01/29/21Math Question>>(Algebra)
If Marie spends $10.50 for DVDs and $8 for CDs. She purchased 3 more CDs than DVDs the total amount of money spent was less than $120. X represents DVDs purchased. Y represents number of CD purchased
What is the inequality for the equation?
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1 Expert Answer
If Marie spends $10.50 for DVDs and $8 for CDs. She purchased 3 more CDs than DVDs the total amount of money spent was less than $120. X represents DVDs purchased. Y represents number of CD purchased
What is the inequality for the equation?
What do we know?
10.50X + 8Y < 120
Y = X + 3
10.50X + 8 (X+3) < 120
18.50X + 24 < 120
18.50X < 96
Maybe they just the inequality, not the solution to X and Y.
Rosie J.
Thank you so much !!!!!
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01/30/21
Rosie J.
how did you get 18.50?
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01/30/21
Rosie J.
how do i solve for Y tho..?
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01/30/21
Julie P.
tutor
10.50X + 8X = 18.50X, to solve for Y, use Y =X + 3 once you know your X with inequality
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01/30/21
Rosie J.
how did you get 18.50? i am a bit lost?
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01/31/21
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Julie P.
01/29/21