Question

The price of a book was reduced from x dollars to 70% of x .write it in mathematical form.

Answer 1

The original price is given as x.

The price of the book is reduced to 70% of x.

This means that the price of the book is reduced by

`100-70=30`

That is 30%.

30% of x is written out as

`\begin{gathered} (30)/(100)* x \\ =0.3x \end{gathered}`

Therefore, the new price is