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Math·Algebra·Linear equations in one variable

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$$x+y+z=53$$The given equation relates the number of miles, $x$, that a cyclist biked on Monday, the number of miles, $y$, the cyclist biked on Tuesday, and the number of miles, $z$, that the cyclist biked on Wednesday in a certain week. If the cyclist biked 12 miles on Monday and 16 miles on Tuesday, how many miles did the cyclist bike on Wednesday?

A

12

B

24

C

25

D

36