Answer:
5x + 3y = 55....... (eqn 1)
4x + 3y = 53........(eqn 2)
Step-by-step explanation:
Let the chickens be represented by x
Let the ducks be represented by y
For last month
5x + 3y = 55
For this month
4x + 3y = 53
5x + 3y = 55....... (eqn 1)
4x + 3y = 53........(eqn 2)