Answer:
Kira served 25 orders, Bill served 34 orders and Michael served 75 orders.
Step-by-step explanation:
Let Kira served x number of orders.
So, Bill served (x + 9) orders and Michael served 3x orders.
Now, it is given that Kira, Bill, and Michael served a total of 134 orders.
So, x + (x + 9) + 3x = 134
⇒ 5x + 9 = 134
⇒ 5x = 125
⇒ x = 25
Therefore, Kira served 25 orders, Bill served (25 + 9) = 34 orders and Michael served 3 × 25 = 75 orders. (Answer)