The costs of a trucking company vary jointly as the number of trucks in service and the number of hours they are used. When 3 trucks are used for 5 hours each, the costs are $1095. Find the costs of using 9 trucks, each for 13 hours.

The costs of a trucking company vary jointly as the number of trucks in service and the number of hours they are used. When 3 trucks are used for 5 hours each, the costs are $1095. Find the costs of using 9 trucks, each for 13 hours.

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 308E: Brian can lay a slab of concrete in 6 hours, while Greg can do it in 4 hours. If Brian and Greg work...

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