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Mathematics 15 Online
OpenStudy (courtney233):

Kamila has a rectangular lawn that measures 80 by 150 feet. She wants to lay gravel made from colored rock in a border, 6 feet wide, all around the lawn. Create a diagram that shows Kamila’s rectangular lawn and the gravel border. Assign variables to any unknown sides and label the diagram. Use your diagram to determine how many square feet of the gravel border will surround the lawn. Kamila decided that the depth of the gravel needs to be 2 inches. What is the total volume of gravel needed for the border? (Hint: dimensions must be in terms of the same unit before you can calculate the vo

OpenStudy (courtney233):

@ILovePuppiesLol

OpenStudy (courtney233):

@JFraser

OpenStudy (courtney233):

do yall know how to draw this ?? or even do it

OpenStudy (jfraser):

draw a diagram of the \(rectangular\) lawn and a \(rectangular\) border, to start

OpenStudy (courtney233):

ok

OpenStudy (courtney233):

got that part

OpenStudy (jfraser):

to find the area of the border, I'd find the area of the \(larger\) rectangle, then subtract the area of the \(smaller\) rectangle. It's the same as filling the entire area with gravel, then just cutting out the inner rectangle

OpenStudy (courtney233):

it doesnt have anything on it though

OpenStudy (jfraser):

you know the dimensions of the lawn, and you know the width of the border. Put in the numbers

OpenStudy (courtney233):

oh , ok

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