please help me, maths is hard, and at the moment i wish maths wasn't real. brainliest will be given

Answer:
£60
Step-by-step explanation:
Let [tex]x[/tex] be the original price.
[tex]x \times (1-10/100) = 54[/tex]
[tex]x \times 90/100 = 54[/tex]
[tex]0.9x=54[/tex]
[tex]x=54/0.9[/tex]
[tex]x=60[/tex]