The charge on fruit by the store is with tax.
For the stated question-
The price of fruit = $2.0
The price charged by the store = $2.8.
Difference = 2.8 = 2.0 = 0.8
Thus, tax paid
2.0 x %/100 = 0.8
x = 0.8 x 100 / 2
x = 40%
Thus, the price charge by store for the fruit was including tax.
To know more about the tax, here
https://brainly.com/question/25844719
#SPJ4