Question

please give answer ; it's urgently

Answer 1

A = 0.4
B = 1.2
C = 1.9
D = 2.8

Answer 2

A= 4/10= 2/5
and 2/5= 0.4
Value of B
=1 whole 2/10
=12/10
= 6/5
and 6/5= 1.2
.....
...by this way you should try to solve the other two questions