The daytime telephone rate between two cities is 60 cents for the first 3 minutes and c cents for each additional minute. The total charge is reduced 50 percent on calls made after 10:00 P.M. The cost, in dollars, of a 35-minute call made at 10:30 P.M. between these two cities is: Choose one:
A) 0.4(0.60) + 35c B) 0.5(0.60 + 32c) C) 0.4(0.60 + 9c) D) 0.5(0.60 + 0.32c) E) 0.6(0.60 + 0.35c)
For first three minutes = 60 cents   Remaining minutes = 35 -3= 
<gadget id="calculator">35 -3</gadget>
<output>32</output>
32   charge for 32 minutes= 32c   total cost (if the call was made in daytime) = 0.60 + 32c   50% chargereducedon night calls =&gt; 50% charge   =&gt;0.5(0.60 + 32c)   Hence, Answer is 0.5(0.60 + 0.32c)
<result>D</result>
The daytime telephone rate between two cities is 60 cents for the first 3 minutes and c cents for each additional minute. The total charge is reduced 50 percent on calls made after 10:00 P.M. The cost, in dollars, of a 35-minute call made at 10:30 P.M. between these two cities is: