15. Richie and Justin are doing house renovations for
Kirk, Kirk has promised them at least 20 total hours
of work per week, but can pay them no more than
$1,200 per week of total wages. Richie makes $25
per hour and Justin makes $45 per hour.
Letting x be the number of hours Richie works and y
be the number of hours Justin works, write a system
of inequalities that models this situation.
If in a given week, Justin and Richie want to both
work 15 hours, will this lead to a solution to the
system of inequalities? Justify your response.
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