which 1 of the following is a true proprotion A. 7:9=8:9 B.2:1=1:2 C.54:9=6:3 od D.3:4=9:12 please answer

Answer 1

Take your answer choices one at a time.

7/9 of course cannot equal 8/9

2/1 is not 1/2

Of the last two choices, which do you think is a true proportion?

Answer 2

1-3-5-6