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

### Instruction:
Chenny bought 9 plates at $2 each. She also bought spoons at $1.50 each. How many spoons did Chenny buy if she paid a total of $24 for the plates and spoon?

### Response:
 Gharama ya sahani 9 ni $2 x 9 = $<<2*9=18>>18.
Hivyo, Chenny alilipa $24 - $18 = $<<24-18=6>>6 kwa vijiko.
Hivyo, alinunua $6/$1.50 = 4 vijiko.