1615÷(50×0.85)=?
36
38
40
42
None of these
1615÷(50×0.85)
=1615÷42.5=38
Prove that 0.85×0.85×0.85+0.15×0.15×0.150.85×0.85−0.85×0.15+0.15×0.15=1.