The right answer will recieve a brainlest and points and ! the right answer will recieve a brainlest and points and ! you are shopping for a cell phone. at which store should you buy the cell phone? and explain your answer (why you chose this answer? ) and show yor work imagine that this is a table chart. store. original price . discount a . $129 . 30% b . $135 . 35% c . $150 . 40%

A = 30 x 129 / 100 = $38.7      129 - 38.7 = $90.3

B= 35 x 135 / 100 = $47.25     135 - 47.25 = $ 87.75

C= 40 x 150 / 100 = $60.         150 - 60 = $90

Store B would be the cheapest

i'm assuming it's looking for the missing length, which should be 4cm

hope this !

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional