Q: A beverage machine can accept coin in 25c, 10c, and 5c. When the amount is more than 40c, deliver the beverage and charger. How to design the FSM without using adders?
Following diagram uses adder.
Following does not.

ASIC IP FPGA RTL CHIP DIGITAL HARDWARE
Q: A beverage machine can accept coin in 25c, 10c, and 5c. When the amount is more than 40c, deliver the beverage and charger. How to design the FSM without using adders?
Following diagram uses adder.
Following does not.
