1/6 = 4/5 . which method did you use to determine whether this proportion is true or false?	Choose the correct choice from the following.
A) true
B) neutral
C) false
D) not sure
E) none
1/6= 3/18. cross multiplication:   1 * 18= 
<gadget id="calculator">  1 * 18</gadget>
<output>18</output>
18, 3 * 6= 18,   we see that 18 are not equal to 18. so there is proportion. corrcet answer: (true)
<result>A</result>
1/6 = 4/5 . which method did you use to determine whether this proportion is true or false?