Ask Experts Questions for FREE Help !
Ask
    kingadit's Avatar
    kingadit Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 28, 2007, 02:40 PM
    Solving linear systems
    Question

    I have to spend exactly $1000 in 10 min on music CDs. Store sells new release for $10
    And other CDs for $9 . I must buy exactly 104 CDs, no more , no less.

    How many of each type of CD I need to buy??


    Thank u

    Adit
    softbalgrl1331's Avatar
    softbalgrl1331 Posts: 157, Reputation: 10
    Junior Member
    		  
    #2

    Apr 10, 2008, 05:39 PM
    make two equations:

    1000=10x +9y

    104= x+y

    now solve from there using substitution and there you go
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Solving compound linear inequalities [ 1 Answers ]

2p-2 is lssthan/equalto 4p-8is lessthan/equalto 3p-3 Could you help me:confused:

Linear inequalities [ 1 Answers ]

Solve for x. Collect xs on the left side. The solution should be presented with x first, the correct inequality symbol, then the number. 5(2x-7),-8=

Linear Equations [ 1 Answers ]

y=-3x+7 What form of a linear equation is this? What is the slope of this line?

Need help solving compound linear inequality [ 1 Answers ]

Help! the problem is 2-8(3x-1) less than/equal to 4+6x-2 (4-x) I came up with x greater than/equal to -7/8. Is this right?? Thank you!

View more questions Search