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

### Instruction:
Ryan has 40 balls. There are twice as many red balls as blue while the rest are green. If there are 11 blue balls, how many green balls are there?

### Response:
 Mipira nyekundu = 2 * mipira ya bluu = 2 * 11 = <<2*11=22>>22 mipira
Jumla ya mipira = bluu + nyekundu = bluu + 22 = 33 mipira
Mipira ya kijani = 40 mipira - 33 mipira = <<40-33=7>>7 mipira