Answer:
$520
Explanation:
104÷8=13
13×40=520
$104=8hours
Let's find by how much he earns every hour by
$104/8
=$13
So he earns $13 every hour and for 40hours he earns
13x4= $52
So he earns $520 in 40 hours
6.5m questions
8.6m answers