Respuesta :

Answer:

810

Step-by-step explanation:

90/100=729/x

100×729= 90x

72900=90x

810 = x

Answer:

£810

Step-by-step explanation:

100% - 10% = 90%

£729 is 90 % after the price was decreased by 10%. Therefore, Divide £729 by 90% to get the original price.

£729/90% = £810