Answer:
$11/hour
Explanation:
He gets paid double for each hour he works over 40 hours/week.
Last week he worked 44 hours (40 regular hours + 4 overtime hours).
Let x be the wages/hour.
$528 = 40x + (4x2)x
$528 = 40x + 8x
$528 = 48x
x = $528 : 48 = $11/hour