Meal Deal £5.00
A sandwich A dessert A drink The following choice is available: 6 different sandwiches 3 different desserts 5 different drinks a) How many different combinations are possible with the Meal Deal? b) 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.
using the formula for pythagorean theorem (a2+b2=c2)(the twos are exponents), and knowing that you have b squared and c squared, just reverse it. 26 squared minus 10 squared equals c squared. 26 squared is 676 and 10 squared is 100. you get 576, then use your square roots to undo the squared numbers to get 24.