30. A car travels at 15 mph and a truck travels at 32 mph. The car needs two and a half hours more than the truck to travel the same distance. 31. The hypotenuse of the right triangle is 15 cm long. If each leg were decreased by 2 cm the hypotenuse would be decreased by 4 cm.

30. A car travels at 15 mph and a truck travels at 32 mph. The car needs two and a half hours more than the truck to travel the same distance. 31. The hypotenuse of the right triangle is 15 cm long. If each leg were decreased by 2 cm the hypotenuse would be decreased by 4 cm.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter3: Triangles

Section3.5: Inequalities In A Triangles

Problem 39E

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Question

Translate each of the following phrases into mathematical expression

30. A car travels at 15 mph and a truck travels at 32 mph. The car needs two and a
half hours more than the truck to travel the same distance.
31. The hypotenuse of the right triangle is 15 cm long. If each leg were decreased by
2 cm the hypotenuse would be decreased by 4 cm.

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