Kojo is given $1.20 to buy some peaches and apples. Peaches cost 20c each, apples 10c each. He is told to buy at least 6 individual fruits, but he must not buy more apples than peaches. Let x be the number of peaches Kojo buys. Let y be the number of apples Kojo buys. (a) Write down three inequalities which must be satisfied. (b) Draw a linear programming graph and use it to list the combinations of fruit that are open to Kojo.