Which fraction is not equivalent to 8
--
10

a 4
--
5

b 16
--
20

c 8
- --
10

d -8
--
-10

Question

Which fraction is not equivalent to 8
                                                     --
                                                     10

a  4
   --
    5

b 16
   --
   20

c   8
 - --
    10

d  -8
    --
   -10

anonymous · Answer

well is 8/10 equivalent to -8/10?  

if you want to check by cross-multiplying, 8*5=40 and 10*4=40, 40=40 so 8/10=4/5.  But -8*10=-80, 10*8=80, and -80 does not equal 80.

anonymous · Answer

@mattvlaw        to the question you asked i dont believe so

anonymous · Answer

yep, so that's your answer