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If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?
If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?
admin
2013-02-19
27
问题
If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?
选项
A、XY/W
B、W/XY
C、WXY
D、W-XY
E、W+XY
答案
B
解析
The correct answer is B. Don’t let the fact that there are no numbers in this math problem confuse you! Simply remember that W, X, Y, and Z each represent some number, and perform the correct mathematical operations to isolate Z on one side of the equation, as follows:
W=XYZ
W/XY=Z
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