If you would like to write an inequality to represent the situation, you can do this using the following steps:
x ... the amount of Alicia's paycheck
x/2 - $42.15 >= $20
x/2 >= $20 + $42.15
x/2 >= $62.15 /*2
x >= $62.15 * 2
x >= $124.3
The correct result would be x >=
$124.3.
