Meal Deal £5.00
A sandwich A dessert A drink The following choice is available: 6 different sandwiches 3 different desserts 5 different drinks
) Two of the desserts are sugar-free. Four of the drinks are sugar-free. A Meal Deal combination is selected at random. Work out the probability that both the dessert and the drink are sugar-free Give your answer as a fraction.
Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?