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

### Instruction:
 Jack anataka kutuma kadi za shukrani kwa kila mtu aliyempa zawadi kwenye harusi yake. Aliwatuma mialiko 200. 90% ya watu walijibu mwaliko lakini ni 80% ya watu waliojibu mwaliko ndio waliohudhuria. Kisha watu 10 waliohudhuria hawakupata zawadi. Anahitaji kadi ngapi za shukrani?


### Response:
 90% ya watu walijibu mwaliko, au 200 * 0.9 = <<200*.9=180>>180 watu.
80% ya 180 ni 180 * 0.8 = <<180*.8=144>>144 watu walihudhuria.
10 watu waliohudhuria hawakupata zawadi.
Hivyo, anahitaji kadi za shukrani 144 - 10 = <<144-10=134>>134.