Mathematics, 26.06.2019 16:00 costel8532
Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. together they charged a total of $1325 . what was the rate charged per hour by each mechanic if the sum of the two rates was $160 per hour?
Answers: 1
Mathematics, 21.06.2019 14:30
Every time you drive you will experience a combination of driving conditions and environments.
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Mathematics, 21.06.2019 17:30
Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?
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Mathematics, 21.06.2019 19:30
:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?
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Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
Answers: 2
Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worke...
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