Respuesta :

naǫ
x - the full cost

[tex]75\%x=45 \\ \frac{75}{100}x=45 \\ \frac{3}{4}x=45 \\ x=45 \times \frac{4}{3} \\ x=15 \times 4 \\ x=60[/tex]

The full cost is £60.
Solve; 75/100 = 3/4 = 45 ( 45×4/3 = 60 ) [ answer is 60 ] Good Luck! :)