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anonymous

  • one year ago

Points: 3Question 1 Maggie and Tanya went to a fruit store. Maggie bought 10 oranges and 5 apples for $4. Tanya bought 9 oranges and 3 apples for $3. What is the cost of an orange and an apple? Cost of an orange = $0.10, cost of an apple = $0.40. Cost of an orange = $0.20, cost of an apple = $0.40. Cost of an orange = $0.24, cost of an apple = $0.50. Cost of an orange = $0.10, cost of an apple = $0.50.

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  1. sh3lsh
    • one year ago
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    Try this. 10x + 5y = 4 9x + 3y = 3 Solve for x and y.

  2. anonymous
    • one year ago
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    hm i did

  3. anonymous
    • one year ago
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    i did all the steps but when i tried to get the second variable it didnt add up

  4. anonymous
    • one year ago
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    i got y= 0.4 where y is apples

  5. anonymous
    • one year ago
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    then i put in y and got x = 5

  6. anonymous
    • one year ago
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    but the answers arent on the page so its wrong

  7. anonymous
    • one year ago
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    cant tell what i got wrong

  8. sh3lsh
    • one year ago
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    Let's try substitution. \[3y = 3-9x \] \[y = 1-3x\] \[10x + 5(1-3x) = 4\] \[10x + 5 -15x = 4\] \[-5x = -1\] \[x = 1/5, x= .20\]

  9. anonymous
    • one year ago
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    its not up there

  10. sh3lsh
    • one year ago
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    \[10(1/5) + 5y = 4, 2 + 5y = 4, 5y = 2, y = 2/5, y = .4 \]

  11. sh3lsh
    • one year ago
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    B

  12. anonymous
    • one year ago
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    oh

  13. anonymous
    • one year ago
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    u thought u meant x=1/5,x=.20 was the answer i see

  14. anonymous
    • one year ago
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    i thought

  15. sh3lsh
    • one year ago
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    Yeah, sorry. I'm not sure how to make new lines using the equation editor.

  16. sh3lsh
    • one year ago
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    Ah! It's two of these \\

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spraguer (Moderator)
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