20% of 860 Songs are Rap,
[tex] = \frac{20}{100} \times 860 \\ = \frac{1}{5} \times 860 \\ = 172 \: songs.[/tex]
15% of Songs are R&B,
[tex] = \frac{15}{100} \times 860 \\ = \frac{3}{20} \times 860 \\ = \frac{3}{2} \times 86 \\ = 3 \times 43 \\ = 129 \: songs.[/tex]
860-(Rap+R&B) = Other Types.
860-(172+129) = Others
860-301 = Others
559 = Others.
There are 559 some of other types.
!! Hope It Helps !!