a chef is going to make some fruit cakes and sponge cakes. he has plenty of all ingredients except for flour and sugar he has only 2000g of flour and 1200g of sugar. a fruit cake uses 500g of flour and 100g of sugar. a sponge cake uses 200g of flour and 200g 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 3 inequalities which must be satisfied