Question

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


2. 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

Answer 1

Answer for the first one is just 7/9, 28/36

Second one is 9/14, 3/4

For the third one you multiply 12.50 by 5 which gives you 62.5