Answer:
$30 is the original price.
Explanation:
Let x be the original price of the gift. The sisters got a 10% discount, so the price paid by them is 0.90x.
The five sisters each paid $5.40, so the total they paid was:
5*($5.40) = $27.
This is equal to the 0.90x:
0.90x = $27
x = $27/0.90
x = $30
Chocolates