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If the average(arithmetic mean)of two numbers is 16 and one of the numbers is x,
If the average(arithmetic mean)of two numbers is 16 and one of the numbers is x,
游客
2024-01-12
55
管理
问题
If the average(arithmetic mean)of two numbers is 16 and one of the numbers is x, what is the other number in terms of x?
选项
A、16-x
B、16-2x
C、16+x
D、32-x
E、32-2x
答案
D
解析
The correct answer is D. If the average of two numbers, x and some other number we’ll call y, is 16, then
= 16. Thus x+y=32 andy=32-x.
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