In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for?  Choose one.
A) 160
B) 175
C) 180
D) 195
E) 215
Suppose the man works overtime for x hours.   Now, working hours in 4 weeks = (5 X 8 X 4) = 160.   160 X 2.40 + x X 3.20 = 432   3.20 X = 432 - 384= 
<gadget id="calculator">432 - 384</gadget>
<output>48</output>
48   x= 15.   Hence, total hours of work = (160 + 15)= 
<gadget id="calculator">(160 + 15)</gadget>
<output>175</output>
175   Answer: Option 175
<result>B</result>
In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for?