PLEASE HELP


select all the pairs of ratios that form a proportion Pick two


1/6, 4/20

7/9, 28/36

14/18, 21/27

30, 6/18

1. Which pair of ratios does NOT form a proportion Pick one
   
   

3/5, 24/40

30/10, 15/5

9/14, 3/4

7/12, 14/24



3.Two shirts cost 12.50 how much will it cost to buy five of the shirts


6.25

31.25

25.00 THIS ONE

30.00



THANKS