All books in a store are being discounted by 30%.
A. Let X represent the regular price of any book in the store. What is an expression that can be used to find the sale price of any book in the store?

B. Leyla bought a book on sale at the store. The sale price of the book was $8.96. Write and solve an equation to determine the regular price of the book to the nearest cent!

Question

All books in a store are being discounted by 30%. 
A. Let X represent the regular price of any book in the store. What is an expression that can be used to find the sale price of any book in the store?

B. Leyla bought a book on sale at the store. The sale price of the book was $8.96. Write and solve an equation to determine the regular price of the book to the nearest cent!

anonymous · Answer

if you get a 30% discount then you pay $100\%-30\%=70\%$ of the price

anonymous · Answer

of course as a number, $70\%=0.7$