Which Ratios for a proportion?

Question

A. 4/9,12/25
B. 3/7,18/42
C. 5/11,20/45
D. 5/8,15/25

Which ratio forms a proportion with 18/30?
A. 20/35
B. 50/90
C. 36/48
D. 60/100

Which proportion has cross products of 5*24 and 8*15?
A. 5/8 = 15/24
B. 5/24 = 8/15
C. 8/24 = 15/5
D. 15/8 = 5/24

My answers
C
B
D

Answer 1

All 3 are wrong.
Are you just guessing, hoping that somebody will just give you the answer.

Show me what you did to get your answers, that is the only way I can help you.

Answer 2

1b
2d
3a

Answer 3

B
D
A

Answer 4

1.B
2.D
3.A
Are all correct I got 100% on my test

Answer 5

B
D
A
100%

Answer 6

thank you anonymous, lun, XD, and ? for the 100%!!

Answer 7

um ik this may see like a lie but I just got a 1/3 :( im not mad at you guys tho it might just be the teachers moveing the questions - OH ummmm I may have read them wrong ok that was my fault whoops -.- but those answers are correct and 100% so do trust them!

Answer 8

lol now I can be "some kid who sucks at reading" haha

Answer 9

1)A
2)D
3)A
For Connexus Students

Answer 10

Hi guys, I just wanted to let you know that your all annoying and dum. Unlike me, who's the smartest person on Earth!

Answer 11

then solve whats infinity