He can only use 2000g of flour and 1200g of sugar A fruit cake uses 500 g of flour and 100 g of sugar. A sponge cake uses 200 g of flour and 200 g of sugar.
He wishes to make more than 4 cakes altogether.
Let the number of fruit cakes be x.
Let the number of sponge cakes be y.
a) Write down three inequalities which must be satisfied