5.4 Lesson_Solving_Done

5.4 Lesson_Solving_Done - Solution Juan Mark time(min...

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5.4 Lesson Solving_Rational_Equations.notebook 1 October 29, 2009 5.4 Solving Rational Equations Ex. 1 Solve each rational equation. (a) (b) Ex. 2 A rectangular poster is to have area 6000 cm 2 . If the width is increased by 1 cm, find a) an expression for the change in its length. b) the dimensions when the length has decreased by 3 cm. (to the nearest 1000 ths ). Applications
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5.4 Lesson Solving_Rational_Equations.notebook 2 October 29, 2009 Ex. 3 Juan and Mark together can cut the lawn in 45 minutes. If working alone, Juan takes 11 minutes longer than Mark. How long does each take to cut the lawn by themselves?
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Unformatted text preview: Solution: Juan Mark time (min) fraction of lawn cut in 1 min Ex. 4 See example 3 on pg 282 Ex. 5 Rima bought a case of T-shirts for $450. She kept two for herself and sold the rest for $560, making a profit of $10 on each T-shirt. How many were in the case? Solution: Let x be the number of T-shirts she bought. Profit each = Revenue each - Cost each 10 = total revenue/#sold - total cost/#purchased 5.4 Lesson Solving_Rational_Equations.notebook 3 October 29, 2009 Hwk: page 285 #2c, 3d, 4d, 5bc, 6bf, 9, 11, 13...
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This note was uploaded on 01/14/2012 for the course MAT 107 taught by Professor Sda during the Spring '11 term at Beacon FL.

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5.4 Lesson_Solving_Done - Solution Juan Mark time(min...

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