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kcsm

  • one year ago

20 is 50% of what number? If necessary, round to the nearest tenth. Is it 10.0?

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  1. ash2326
    • one year ago
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    100 % of a no. is that no. itself if the percent is less than 100 then the resultant no. will be less than our original no. Here 20 is 50% of some no. so that no. has to be greater than 20. Do you get this?

  2. kcsm
    • one year ago
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    oh okay :) so then it would be like 40?

  3. ash2326
    • one year ago
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    yeah, but let's solve to find that \[50 \% x=20\] \[\frac {50}{100} \times x=20\] Now solve this for x

  4. kcsm
    • one year ago
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    50/100=0.5...so then..20/0.5 equals...40!!! :O :D wait did i do that right?

  5. ash2326
    • one year ago
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    COrrect

  6. kcsm
    • one year ago
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    :D yay thank you! and thank you for the medals!

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