Question

If 1 book cost $7, how much will 2 books cost?

Answer 1

Given data:

The given cost of 1 book is $7.

The expression for the given statement is,

1 book =$7

Multiplly the above expression by 2 on both sides.

`\begin{gathered} 2(1\text{ book)= 2(\$7)} \\ 2\text{ books=\$14} \end{gathered}`

Thus, the cost of 2 books is $14.