Mathematics, 02.02.2021 17:40, Confusedandlazy
13. There were 120 books on shelf last month, and there are currently 250 books on shelf this month. What is the percent of change in number of books on shelf from last month to this month?
Answers: 2
Mathematics, 21.06.2019 16:30, Huvch7255
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
Mathematics, 21.06.2019 17:30, gungamer720
Nine more than four times a number is the same as one less than twice the number. find the number?
Answers: 1
13. There were 120 books on shelf last month, and there are currently 250 books on shelf this month....
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