Brian is selling balloons in 8 different colours: red, pink,yellow, blue, green, purple, black and silver.
How many different selections of 16 helium balloons can bepurchased if the shop has at least 16 balloons of each colour instock?
How many different selections of 16 helium balloons can bepurchased if you buy at least 3 red balloons and at least 5 yellowballoons, and the shop has at least 16 balloons of each colour instock?
How many different selections of 16 helium balloons can bepurchased if the shop has only 7 pink balloons in stock and only 5blue balloons in stock, but at least 16 balloons of each othercolour in stock?