Original price of book = x
Discount = 20%
Price at which meghan purchased it = $7
[tex]x \times (\frac{100 - 20}{100} ) = 7 \\ x \times \frac{80}{100} = 7 \\ x \times \frac{4}{5} = 7 \\ x = 7 \times \frac{5}{4} \\ x = \frac{35}{4} \\ x = 8.75[/tex]
Original value of book was $8.75.
!! Hope It Helps !!
