SOLUTION: a gardener is reseeding a city park that has a shape of a right triangle with a base of 150 ft, height of 200 ft, and 250 ft long a) one bag of grass seed covers 3750 sq ft and co

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Question 346443: a gardener is reseeding a city park that has a shape of a right triangle with a base of 150 ft, height of 200 ft, and 250 ft long
a) one bag of grass seed covers 3750 sq ft and cost 27.50 how many bags are needed and what is the total cost?
b) wire fencing cost $23.19 for each 50 ft rl how much does it cost to buy fencing to enclose the area?
c) fence posts cost $3.19 ea & needs to be placed every 5 ft how many posts are needed and what is the cost all together?
Answer by mananth(16946) About Me  (Show Source):
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a gardener is reseeding a city park that has a shape of a right triangle with a base of 150 ft, height of 200 ft, and 250 ft long
a) one bag of grass seed covers 3750 sq ft and cost 27.50 how many bags are needed and what is the total cost?
..
Area of triangle = 1/2 *base * height
A= 1/2 * 150*200
A= 15000 sq. ft
1 bag 3750 sq.ft
15000 = ?
15000/3750 = 4 bags
1 bag = $27.50
4 bags = 4*27.50= $110
....
b) wire fencing cost $23.19 for each 50 ft rl how much does it cost to buy fencing to enclose the area?
Perimeter P = sum of all sides = 150+200+250=600 feet
50 ft = 23.19
600 ft = 600*23.19
wire fensing cost =$13914
...
c) fence posts cost $3.19 ea & needs to be placed every 5 ft how many posts are needed and what is the cost all together?
Perimeter = 600 feet
posts are kept 5ft apart
600/5= 120 posts
1 post = 3.19
120 posts = 119*3.19= $379.61

Add up all the three