Answer:
The percentage increase in the sale from May to June is 17%
Explanation:
Given as :
The number of Spatulas sold by Sally in the month of May = 1,200
The number of sale of Spatulas increase by Sally in the month of June = 204
∴The number of Spatulas sold by Sally in the month of June = 1,200 + 204 = 1404
Let The Percentage increase in there sale from May to June = x %
Now, According to question
x % =

Or, x % =

Or, x% =

Or, x = 0.17 × 100
∴ x = 17%
So, percentage increase = 17%
Hence The percentage increase in the sale from May to June is 17% Answer