Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
James has 20 pairs of red socks and half as many black socks.  He has twice as many white socks as red and black combined.  How many total socks does he have combined?

### Response:
 James ana soksi nyeusi 20/2=<<20/2=10>>10
Hivyo ana soksi nyeusi na nyekundu 20+10=<<20+10=30>>30
Hivyo ana soksi nyeupe 30*2=<<30*2=60>>60
Hivyo ana soksi nyeupe 60/2=<<60/2=30>>30
Hivyo ana jumla ya soksi 60+30=<<60+30=90>>90