Problema Solution
Suppose you are starting an office‐cleaning service. You have spent $315 on equipment. To clean an office, you use $4
worth of supplies. You charge $25 per office. How many offices must you clean to break even?
Answer provided by our tutors
Let x = the number of offices
Total cost for x offices = 4x + 315
Total revenue for x offices = 25x
to break even Total cost = Total revenue
4x + 315 = 25x
by solving we find
x = 15 offices
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you must clean 15 offices to break even.