Zach offers dog sitting services for $5 per hour. Each client must give Zack a $20 deposit to procure his services. If Zack earns $50 from a single client, how many hours did he dog sit?

Respuesta :

Answer:

6 hours.

Step-by-step explanation:

$50 - $20 = $30. $30 divided by $5 an hour = 6 hours. hope this helps