How do you know that 36 is the biggest whole number that divides both 72 and 108?

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?