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

### Instruction:
 Hanna ana mara mbili ya erasers kama Rachel. Rachel ana erasers tatu chini ya nusu ya erasers kama Tanya ana erasers nyekundu. Ikiwa Tanya ana erasers 20, na nusu yao ni nyekundu, Hanna ana erasers ngapi?


### Response:
 Tanya ana erasers 20/2=<<20/2=10>>10 nyekundu.
Nusu ya erasers kama Tanya ana erasers nyekundu ni 10/2=<<10/2=5>>5 erasers.
Nusu ya erasers kama Tanya ana erasers nyekundu, minus 3, ni 5-3=2 erasers.
Rachel ana erasers hizi: 2
Hanna ana mara mbili ya erasers kama Rachel, kwa jumla ya erasers hizi: 2*2=<<2*2=4>>4.