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anonymous

  • one year ago

A student solved this problem and said the answer is 8 1/2 pounds. Jill's club bought 4 2/5 pounds of hot dogs, 3 1/2 pounds of hamburger, and 2 3/10 pounds of chicken for the picnic. How much meat did they buy altogether? Is the student's answer reasonable? A. Yes, the answer is reasonable. B. No, the answer is not reasonable. It should be about 10 pounds. C. No, the answer is not reasonable. It should be about 12 pounds. D. No, the answer is not reasonable. It should be about 15 pounds.

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  1. anonymous
    • one year ago
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    @nikvist

  2. anonymous
    • one year ago
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    @WorkHelp!!!

  3. anonymous
    • one year ago
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    someone help

  4. Vocaloid
    • one year ago
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    well, using estimation I could round down each number 4 2/5 rounds down to 4 3 1/2 rounds down to 3 2 3/10 rounds down to 2 4+3+2 = 9, but since we rounded down a bit we know that the answer MUST be greater than 9 it looks like all the fractions add up to about 1 (using my calculator I get 6/5) so, 9 + 6/5 is closest to which of the answer choices?

  5. anonymous
    • one year ago
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    a @Vocaloid

  6. Vocaloid
    • one year ago
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    no, please try again... 9 + 6/5 is closest to which of the choices?

  7. anonymous
    • one year ago
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    b

  8. Vocaloid
    • one year ago
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    great, but do you understand why A is wrong? I want to make sure you aren't just guessing...

  9. anonymous
    • one year ago
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    so b and yeah!

  10. Vocaloid
    • one year ago
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    then please explain why A is wrong

  11. anonymous
    • one year ago
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    well since we got 9 its not a because there is nothing that is alomst the same as 9

  12. Vocaloid
    • one year ago
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    great good job ~

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