Apacket of eggs contains six eggs. abraham buys x packets. he uses two eggs for his breakfast.
i) write an expression for the number of eggs that he has left.
ii) if he has 28 eggs left, how many packets did he buy?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.