Mathematics, 05.08.2019 08:10 ksspiegler
Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. together they charged a total of $1900. what was the rate charged per hour by each mechanic if the sum of the two rates was $155 per hour?
Answers: 1
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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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Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worke...
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