Let x = # of monthly fee
f(x) = (50x + 30)/x
average cost will be below 56 for how many months?
(50x + 30)/x = 56
50x + 30 = 56x
56x - 50x = 30
6x = 30
x = 5
answer:
the average cost will be below $56 for 5 months
A.) 3 3/4
B.) 4 5/9
C.) 8. 375 - I couldn't solve this one
D.) 12 3/11
E.) 5 7/20
F.) 29
Answer:
123
Step-by-step explanation:
the only one that are common between both of them are 123
