Question

Uncle Dax sold 4 fishes and 2 kg of flour for £ 23. Find how much does 1 kg of flour cost if each fish cost £ 4.​

Answer 1

Let the cost of 1 kg flour be x

Let the cost of each fish be y

                                                    A.T.Q

4y+2x=23

y=4

16+2x=23

2x=23-16

2x=7

x=3.5 euros