Which of the following equations is equivalent to 30 = 2 ( -2x + 6)
1 answer:
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Answer:
Step-by-step explanation:
Answer:
The number of service calls made = 55
Step-by-step explanation:
Let the total number of installations made by the company = x
Let the total number of service calls = y
Total number of invoices for the month = 69
=> -------------------(1)
Total amount of the invoices = $6975
=> -----------(2)
From (1),
Substituting in (2):
=>
=>
=>
=>
=>