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

### Instruction:
A smartphone seller is offering a discount of 5% off for customers who buy at least 2 smartphones at once. Melinda, Zoe and Joel want to buy an iPhone X each. If an iPhone X costs $600, how much can they save by pooling their money together and buying three iPhones at once from this seller rather than buying individually?

### Response:
 Kila iPhone X inagharimu $600 hivyo simu tatu za iPhone X bila punguzo zingegharimu 3*$600 = $<<3*600=1800>>1800
Kwa punguzo la 5%, wanaweza kulipa tu $1800-$90 = $<<1800-90=1710>>1710
Kwa kuweka pesa zao pamoja na kununua simu tatu za iPhone X kwa pamoja, wanaweza kulipa $1710 na kuokoa $90 ambayo ni 5% ya $1800