Diana works 10 hours per day on Monday, Wednesday and Friday, and 15 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns $1800 per week. How much does she earn in dollars per hour?
Pick:
A) 20
B) 22
C) 30
D) 24
E) 25
So, she works 30 hours in 3 days   So, she works 30 hours in 2 days   So in a week she works 60 hours ( 30 + 30 ) and earns $1800   So, Hourly wage is  1800/60= 
<gadget id="calculator"> 1800/60</gadget>
<output>30</output>
&gt; 30   Hence answer will be (30) 30
<result>C</result>
Diana works 10 hours per day on Monday, Wednesday and Friday, and 15 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns $1800 per week. How much does she earn in dollars per hour?