Answer:
see explanation
Step-by-step explanation:
The 2 equations are
x + 2y = 8 → (1)
2x + 4y = 20 → (2)
A) 10 minute call
35+3(10)=45+2(10)
65=65
b) when a call is >10
Answer:
93,000,000
Step-by-step explanation:
9.3x10^7
since the 10 has the ^7 on it, you move the decimal over 7 spots.