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Mathematics, 21.06.2019 21:00
Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
Answers: 2
Mathematics, 21.06.2019 21:30
In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.
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Mathematics, 22.06.2019 00:40
Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.
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Mathematics, 22.06.2019 07:00
What classification best describes 5x+10y+15z=60 2x+4y+6z=60 x+2y+3z=60
Answers: 3
Which inequality is true?
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