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When dividing fractions you must remember the KEEP, CHANGE, FLIP rule.

KEEP - The first fraction you KEEP as it is, you don't change it.

CHANGE - You now change the sign from a division to a...

24.50/7 = £3.50 - price of 1 ticket 

63/3.50 = 18 - number of tickets bought total 

18 - 7 = 11 

Lets take this as an example:

Simplify 5a - (2a + 6)

To 'simplify an equation' means to put it at its most basic form

To make it easier for us, we can place a 1 infront of the bracket...