   Chapter 8.CR, Problem 9CR ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# Tom Morrow wants to buy some fertilizer for his yard. The lot size is 140 ft by 160 ft. The outside measurements of his house are 80 ft by 35 ft. The driveway measures 30 ft by 20 ft. All shapes are rectangular.a) What is the square footage of his yard that needs to be fertilized?b) If each bag of fertilizer covers 5000  ft 2 , how many bags should Tom buy?c) If the fertilizer costs $18 per bag, what is his total cost? To determine (a) To find: The area of the square footage of Tom Morrow yard that needs to be fertilized. Explanation Postulate: The area A of a rectangle whose base has length b and whose altitude has length h is given by A=bh Calculation: Given: The lot size of rectangular yard is 140 ft by 160 ft. His house = 80 ft by 35 ft Drive way = 30 ft by 20 ft. All shapes are rectangular. From postulate we know that the area of rectangle is A=bh To find the area of the lot: AL=140×160=22400 ft2 To find the area of his house: AH=80×35=2800 ft2 To find the area of drive way: To determine (b) To find: How many bags Tom should buy if each bag of fertilizer covers 5000 ft2. To determine (c) To find: The total cost if the fertilizer costs$18 per bag.

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