Answer:
The total sales of Boutique last week = $1300
Explanation:
Given that:
Percent of sales came from leggings = 30%
Worth of leggings sold = $390
Let,
x be the total sales in the week.
30% of x = 390
0.3x = 390
Dividing both sides by 0.3
Hence,
The total sales of Boutique last week = $1300