34. $415.38 per month
9.66*43=415.38
35. $96.60 more per month
(9.66*53)-415.38=96.6
36. $7.10 for the 20-minute distance call
(19*0.35)+0.45=7.1
37. $4.31 for the 15-minute distance call
(14*0.27)+0.53=4.31
38. $44.40
(15*2)+120*0.12=44.4
39. $49.60
(20*2)+120*0.08=49.6
40. $293.04
(5.92*36)+(8.88*9)=293.04
41. $209.76
(4.56*40)+(6.84*4)=209.76
42. 5 packs
9.90/1.98=5
43a. $6.90
103.50/15=6.9
43b. $117.30
6.9*17=117.3