Mathematics, 17.09.2019 05:30, kiro7ix
Ateam t-shirt costs $3 per adult and $2 per child. on a certain day, the total number of adults (a) and children (c) who bought shirts was 100, and the total money collected was $275. which of the following options represents the number of children and the number of adults who purchased team shirts that day, and the pair of equations that can be solved to find the numbers? 75 children and 25 adults equation 1: a + c = 100 equation 2: 3a − 2c = 275 75 children and 25 adults equation 1: a + c = 100 equation 2: 3a + 2c = 275 25 children and 75 adults equation 1: a + c = 100 equation 2: 3a − 2c = 275 25 children and 75 adults equation 1: a + c = 100 equation 2: 3a + 2c = 275
Answers: 2
Mathematics, 21.06.2019 20:20, Kelbee781
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
Mathematics, 21.06.2019 22:00, lraesingleton
What is the solution to the division problem below x3+x2-11x+4/x+4
Answers: 2
Ateam t-shirt costs $3 per adult and $2 per child. on a certain day, the total number of adults (a)...
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