1. )3/9=5/15 proportion or not 2.) 5/7=15/21 proportion or not 3.) 9/11= 81/99 proportion or not 4.) 7/8=70/72 proportion or not 5.) 11/13=101/121 proportion or not 6.) 5/6=10/11 proportion or not 7.) 2/3 = 16/24 proportion or not 8.) 3/8=30/75 proportion or not 9.) 8/9=64/81 proportion or not 10.) 4/9=32/72 proportion or not
!!HELP!!​