mitosuki
Help in attachment, multiple choice
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mitosuki
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moneybird
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Let the cost of land for student 1 be x
Student 1's total cost of mining is
x + 2 + 5(2) = x + 12
Student 2's total cost of mining is
4 + 5 + 6(2) - 4 + 5 + 12 = 21
21 = x + 12 + 3
21 = x + 15
x = 6
mitosuki
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I got 9?
moneybird
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answer is 9?
mitosuki
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I have no clue. cause this how I got it:
x + 2 + 5(2) = x + 12
21 = 12 + x
-12 -12
x = 9
moneybird
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It says Student 2's total cost of mining is $3 more than student 1.
mitosuki
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Yeah but the total of student 2 is 21.
moneybird
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yea