Respuesta :
Answer: 120(.3) + x= 51
165(.30) +x=y
y= 64.5
Step-by-step explanation:
120(.30) + x = 51 is the first equation. Solve it and get 15 for x which is the base fee.
Plug it into 165(.30) + 15 = y to get her October cost.
Answer: 120(.3) + x= 51
165(.30) +x=y
y= 64.5
Step-by-step explanation:
120(.30) + x = 51 is the first equation. Solve it and get 15 for x which is the base fee.
Plug it into 165(.30) + 15 = y to get her October cost.