SOMEONE HELP ME ON THESE TWO QUESTIONS PLEASE

1st Answer:
$25
Step-by-step explanation:
You have to subtract the installation fee from the total fee.
685-85=600
If it is for 2 years, that is 24 months, so divide
600/24=$25
2nd Answer:
36 and 37
Step-by-step explanation:
Consecutive means they fall directly next to each other EX: 1, 2, 3, 4.... are consecutive numbers
36 and 37 are consecutive
36+37=73