Wk4+RWAP+B[1]

# Wk4+RWAP+B[1] - Week 4 Real-World Application Practice B...

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We ek 4: R ea l- Wor ld A pplic a t io n Pr a c t ic e B Solving Inequalities and Graphing Equations 1. You are planning to spend no less than \$6,000 and no more than \$10,000 on your landscaping project. a) Write an inequality that demonstrates how much money you are willing to spend on the project. \$6,000 < x> \$10,000 b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton costs \$60 and each tree is \$84, what is the maximum number of trees you can buy with a budget of \$2,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer. 30(60)=price of 30 tons of rocks 2500-[30(60)]=budget left for trees {2500-[30(60)]}/84=maximum amount of trees you can buy 1800=price of 30 tons of rock 2500-1800=700 (budget left for trees) 700/84=8.33333 (maximum amount of trees, before rounding) Maximum amount of trees you can buy=8

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## This note was uploaded on 04/26/2010 for the course BUS210 bus210 taught by Professor Smith during the Spring '10 term at University of Phoenix.

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Wk4+RWAP+B[1] - Week 4 Real-World Application Practice B...

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