Mathematics, 17.05.2021 08:40 dulcejuarez2005
At the library book sale. hardcover books costs for $4 and paperbacks books for $2 each. A person spends $26 for 8 books. How many hardcover books did she purchased?
Answers: 1
Mathematics, 21.06.2019 18:30
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
Mathematics, 21.06.2019 20:20
Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
Answers: 1
At the library book sale. hardcover books costs for $4 and paperbacks books for $2 each. A person sp...
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