5/9= 25/45 . which method did you use to determine whether this proportion is true or false?	Choose one:
A) true	B) neutral	C) false	D) not sure	E) none
5/9= 25/45. cross multiplication:   5 * 45= 
<gadget id="calculator">  5 * 45</gadget>
<output>225</output>
225, 25 * 9= 225,   we see that 225 are not equal to 225. so there is proportion. corrcet answer: (true)
<result>A</result>
5/9= 25/45 . which method did you use to determine whether this proportion is true or false?