Determine if each proportion on the left is True or False. Answer options on the right side may be used more than once.
true and false
12/90 = 6/45
8/12 = 5/8
9/36 = 3/12
7/21 = 5/15
true and false
12/90 = 6/45
8/12 = 5/8
9/36 = 3/12
7/21 = 5/15