Chapter ISG, Problem 5.4.2.4P

To determine

To explain how should Leonardo express his solution?

Answer to Problem 5.4.2.4P

Conjunction "and" is taken wrongly by Leonardo.

Explanation of Solution

Given information:

Inequality

  $x>6.2$ And $x<4.7$

Calculation:

  $x>6.2$ And $x<4.7$

Leonardo should express answer as$x>6.2$ Or $x<4.7$

Conjunction "and" is taken wrongly by Leonardo.

When union "or" is taken the both statement are true individually.