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anonymous

  • one year ago

Challenge! Ready? Red and gray bricks were used to build a decorative wall. The number of red bricks/number of gray bricks was 5/2. There were 175 bricks used in all. How many red bricks were used? Include work so I know you haven't cheated.

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  1. anonymous
    • one year ago
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    Who will get it first?

  2. anonymous
    • one year ago
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    im stumped...so far

  3. anonymous
    • one year ago
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    yeah same haha

  4. anonymous
    • one year ago
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    You sure?

  5. anonymous
    • one year ago
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    125 red bricks 50 gray

  6. anonymous
    • one year ago
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    175/2.5=70. so 70 grey and 105 red?

  7. anonymous
    • one year ago
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    i think @Deeezzzz got it

  8. anonymous
    • one year ago
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    Let's see.

  9. anonymous
    • one year ago
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    Deeezzzz got it!

  10. anonymous
    • one year ago
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    how did you get it? (just curious) @Deeezzzz

  11. anonymous
    • one year ago
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    for each 5 reds you have 2 grey

  12. anonymous
    • one year ago
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    I am going to close this. Is there anything else to say?

  13. anonymous
    • one year ago
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    5x+2x = 175 7x= 175 x=25 5(25)=125 2(25)=50

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spraguer (Moderator)
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