Which ratios are proportional to 14 : 21?

Choose all answers that are correct.

A.
2 : 3

B.
3 : 2

C.
28 : 63

D.
56 : 84

@Maria195

Question

Which ratios are proportional to 14 : 21?
 
Choose all answers that are correct.
 
 A.
2 : 3
 
 B.
3 : 2
 
 C.
28 : 63
 
 D.
56 : 84


@Maria195

anonymous · Answer

if you divid both by 7     14/7:21/7    2:3

anonymous · Answer

A, C, and D

anonymous · Answer

the only answers are  A and D   
A) 2:3          ....... 14:21      divide   by  7         2:3
B) 3:2          ....... 14:21       divide  by   10.5     1.33:2
C) 28:63      ......  14:21     multiply by 3          42:63 
D)  56:84     ......  14:21    multiply by 4           56:84