Question

by which number should minus 3 1 by 8 be multiplied to obtain - 2 1 by 4​

Answer 1

Answer:

42/31 or 1.35

Step-by-step explanation:

-31/8*X = -21/4

X= -21/4 * -8/31. (here minus is cancelled from both numbers and 4*2=8. So,4 cuts 8 by 2 )

Now,

X=21/31*2

X= 42/31

ANS:: 42/31

Answer 2

Answer:

once again write it propeerly

Step-by-step explanation:

not understanding is ri 21 or 31