Answer: $37077.12
Step-by-step explanation:
Please see the attachment below
20+0.15x = 35+0.10x
0.15x=15+0.10x
0.05x=15
x= 15/0.05
x= 300minutes
check:
300*.015 = 45+20=65
300*0.10 = 30 + 35 = 65
they equal
so number of minutes would be 300
307.85
-40
-9.50
-41.75
+23.75
-4.62
=235.73$