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

### Instruction:
Mia can decorate 2 dozen Easter eggs per hour. Her little brother Billy can only decorate 10 eggs per hour. They need to decorate 170 eggs for the Easter egg hunt. If they work together, how long will it take them to decorate all the eggs?

### Response:
 ทำงานร่วมกันพวกเขาสามารถตกแต่งไข่ได้ 24 + 10 = <<24+10=34>>34 ฟองต่อชั่วโมง
พวกเขาจะใช้เวลา 170 / 34 = <<170/34=5>>5 ชั่วโมงในการตกแต่งไข่ทั้งหมด.