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Correct formula, has complete solution and correct answer. 1. x varies directly as y and inversely as z. If x = 40 when y = 5 and = 4. Find the value of z when x = 4 and y = 8.

Correct formula, has complete solution and correct answer. 1. x varies directly as y and inversely as z. If x = 40 when y = 5 and = 4. Find the value of z when x = 4 and y = 8.

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.10: Modeling Variation
Problem 52E
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Directions: Solve each problem. You can use the remaining space below or another sheet of paper for the solutions. Points Description 1 Correct formula but has incomplete solution and incorrect answer. 2 Correct formula, has complete solution but the answer is incorrect. Correct formula, has complete solution and correct answer. 1. x varies directly as y and inversely as z. If x = 40 when y = 5 and = 4 . Find the value of z when x = 4 and y = 8. 2. The total amount of entrance fee F in a zoo follows the equation F= 10x + 20y. Wherein x represents the entrance fee of children and y for adult. How many adults are present when F=8000 and x=10?
Transcribed Image Text:Directions: Solve each problem. You can use the remaining space below or another sheet of paper for the solutions. Points Description 1 Correct formula but has incomplete solution and incorrect answer. 2 Correct formula, has complete solution but the answer is incorrect. Correct formula, has complete solution and correct answer. 1. x varies directly as y and inversely as z. If x = 40 when y = 5 and = 4 . Find the value of z when x = 4 and y = 8. 2. The total amount of entrance fee F in a zoo follows the equation F= 10x + 20y. Wherein x represents the entrance fee of children and y for adult. How many adults are present when F=8000 and x=10?
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