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Chapter 7 of the Jiuzhang suanshu presents a problem of two linear equations involving acres of land and their respective prices. One of the two equations can be translated to: 300x + y = 10000 If y = 87.5, what is the value for x? 300x + y = 10,000 300x + (87.5) = 10,000 300x + 6,250 = 10,000 x =

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JeanaShupp

Answer: 33.041666

Step-by-step explanation:

Given: The translated equation : [tex]300x+y = 10000[/tex]

To find the value of x if y = 87.5, we need to substitute the value of y in the given translated equation, we will get

[tex]300x+87.5 = 10000[/tex]

Subtract 87.5 from both the sides , we get

[tex]300x=9912.5[/tex]

Now, divide 300 on both the sides, we get

[tex]x=\frac{9912.5}{300}\\\\\Rightarrow x=33.041666666[/tex]

Answer:

12.5 :) enjoy

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