If a is increased by 25% and b is decreased by 25%, the resulting numbers will b

游客2024-01-12 25

问题 If a is increased by 25% and b is decreased by 25%, the resulting numbers will be equal. What is the ratio of a to b?

选项 A、
B、
C、
D、
E、

答案 A

解析

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Thesumofthenon-primenumbersbetween40and50,non-inclusive,isA、131B、176