$\"\"$ $\"\"$

From the graph:

The library of congress has 28.7 millions of volumes.

The Boston Public Library has 14.6 millions of volumes.

Let n represent the number of more volumes the library of congress had than

the Boston Public Library. $\"\"$

Write the verbal expression to represent the situation. $\"\"$

Rewrite the equation:

$\"\"$ $\"\"$

Subtraction property of equality: Subtract 14.6 from each side.

$\"\"$

$\"\"$ (Apply commutative property of addition: $\"\"$ )

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Apply additive identity property: $\"\"$ )

$\"\"$ (Subtract: $\"\"$ )

$\"\"$

The library of congress has 14.1 more millions of volumes than the Boston

Public Library.