Answer:
x=-8, y=76/3
Step-by-step explanation:
I solved for substitution since I didn't know exactly what you're solving for.
Can you write more specifically the question please
speed =48mph
distance = 180 miles
we know that
time = distance / speed
..........Answer
Number of monthly calls = 475
Given:
Plan 1 = $30 per month unlimited calls
Plan 2 = $11 + $0.04(per call)
Find:
Number of monthly calls, plan 1 better than plan 2
Computation:
Plan 1 (Cost) < Plan 2 (Cost)
30 < 11 + 0.04(x)
19 < 0.04(x)
475 < (x)
