Answer:
14 installatons
42 service calls
Step-by-step explanation:
Let x = no. of new installations
y = no. of service calls
(1) x + y = 56 (2) 450x + 75y = 9450
y = 56 - x 450x + 75(56 - x) = 9450
450x + 4200 - 75x = 9450
375x = 5250
x = 14 installatons
y = 56 - 14 = 42 service calls
3 questions for 2 points? What is this some kind of charity?
I believe you would give one whole slice to each person first then, on the last remaining slice, halve it and give it to each person.
Hope this helped!
I think some numbers got cut off cause it makes no sense