If 12 percent of x is 30 percent of 480, then x isA、144B、640C、960D、1,200E、1,

游客2025-02-27 47

问题 If 12 percent of x is 30 percent of 480, then x is

选项 A、144
B、640
C、960
D、1,200
E、1,440

答案 D

解析 First, 30 percent of 480 is 144. If 12 percent of x is 144, then x=144/0.12=1,200.

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If12percentofxis30percentof480,thenxisA、144B、640C、960D、1,200E、1,