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anonymous

  • one year ago

Dustin is mixing concrete. A formula for concrete calls for 3/8 gal of water. Dustin wants to make 7/9 more concrete than the formula creates. How much water should Dustin use? --I need an explanation of how to get to 2/3

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  1. anonymous
    • one year ago
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    ok @biznessman

  2. anonymous
    • one year ago
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    what do you know already?

  3. anonymous
    • one year ago
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    multiply 3/8 by 7/9

  4. anonymous
    • one year ago
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    doing that would get you a smaller number. you want a bigger number. so add 1 to that. 16/9 is 7/9 more

  5. anonymous
    • one year ago
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    so multiply 3/8 and 16/9

  6. anonymous
    • one year ago
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    and you get 2/3 make since?

  7. anonymous
    • one year ago
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    when it says "more" or "raise" or "increase" or anything like that, the fraction you're going to multiply is going to be greater than 1. like if it said i got paid $14 an hr, and i'm getting a 25% raise, then i would multiply 14 and 1.25 and it's the opposite to "less than" or "decrease" like if i got paid $14 an hr and i was getting a wage cut of 5%, then i'd multiply 14 and 0.95

  8. anonymous
    • one year ago
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    do you understand @biznessman

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