math
posted by robin on .
Mitch Anderson is a security guard. He earns $7.45 per hour for regular time up to 40 hours, timeandahalf for overtime, and double time for the midnight shift. If Mitch worked 56 hours last week, including 4 hours on the midnight shift, how much were his gross earnings?

$7.45*40 + 4*2*$7.45 + 12*1.5* $7.45 = ?